Illustration of surgical gloves holding a healthy lung, symbolizing reduced risks in lung cancer surgery.

Lung Cancer Screening: Are the Risks of Surgery Overstated?

Theo Raines monogram
Theo Raines in Health & Wellness November 2026 • 5 min read.

"A new analysis suggests that the risks of surgery for screening-detected lung cancer may be lower than previously thought, potentially encouraging more people to get screened."


Lung cancer remains a leading cause of cancer-related deaths worldwide, but early detection through screening programs offers a chance to improve outcomes. The goal of lung cancer screening programs is clear: to identify at-risk individuals without symptoms and detect cancer at an early, treatable stage. However, the widespread adoption of lung cancer screening, particularly low-dose computed tomography (LDCT), has been hampered by concerns about potential risks, including the morbidity associated with surgical procedures performed to address abnormalities detected during screening.

A pivotal study, the National Lung Screening Trial (NLST), demonstrated a 20% reduction in lung cancer mortality with LDCT compared to chest X-ray screening. Despite this significant finding, the adoption of LDCT screening in the United States remained relatively low, with only 3.9% of eligible patients screened between 2010 and 2015. Several factors contributed to this low uptake, including the lack of demonstrated mortality benefit in some European studies, concerns about cost-effectiveness, and worries about the risks associated with LDCT screening, such as radiation exposure, false positives, and the potential for overtreatment. Among these concerns, the morbidity of surgical procedures performed as a result of screening-detected abnormalities stood out, with the NLST reporting a rate of 32%.

Now, a recent analysis is challenging these long-held perceptions. The study by Kemal et al., focusing on surgical patients within the NLST cohort, suggests that the risks of surgery in patients with screening-detected lung cancer may be overstated. By delving into the surgical outcomes of the NLST cohort, this research offers valuable insights that could reshape the discussion around lung cancer screening and encourage greater participation.

AI Search Multiple angles on this topic

The 2025 Formula One Championship

The 2025 FIA Formula One World Championship was the 76th running of the Formula One World Championship. It was recognized by the Fédération Internationale de l'Automobile as the highest class of competition for open-wheel racing cars. The FIA and Formula 1 announced a 24-round 2025 season, which also marked the championship's 75th anniversary. The available sources describe Formula 1's calendar and competition, not lung-cancer screening or surgical risk.

Microsoft Product and Technology Guidance

The listed sources concern Microsoft products, Windows administration, and SQL Server migration rather than lung-cancer screening or surgery. Microsoft Ink Canvas is described as an AI-powered, pen-first experience designed for the period before an idea becomes a document, prompt, image, or plan. Microsoft guidance also discusses updating or reinstalling Windows drivers and migrating SQL Server from 2017 to 2022 using approaches such as high availability, database mirroring, and log shipping. These materials do not provide evidence about accepted medical methods or their limitations.

America's Best Store Locations

The listed sources address store locations for America's Best Contacts & Eyeglasses and America's Tire, not the history of lung-cancer screening. America's Best states that it has more than 900 locations nationwide and offers optometrists, opticians, eye care, and eyewear. America's Tire describes a network of more than 1,000 locations for tire services. These sources do not identify medical milestones or foundational discoveries.

What the Data Says: Examining Surgical Risks in Lung Cancer Screening

Illustration of surgical gloves holding a healthy lung, symbolizing reduced risks in lung cancer surgery.

The NLST, while groundbreaking, did not have a predefined management protocol for addressing abnormalities detected during screening. This lack of standardization, coupled with the study's timeframe, resulted in a low utilization of preoperative PET scans and non-surgical biopsies. Consequently, a significant proportion of patients underwent lobectomy or pneumonectomy (83.98%), while a smaller percentage had sublobar resections (SLR) (16.1%). Video-assisted thoracoscopic surgery (VATS) was used in only 29.6% of cases.

Regarding complications after surgery, 15.5% of cases were classified as major, with prolonged air leak or bronchial stump leak being the most common (6.5% of the cohort, accounting for 42% of the major complications). The NLST data did not differentiate between these two conditions, but it is likely that bronchial stump leak was uncommon. Respiratory failure occurred in 3.7% of patients, MACE (major adverse cardiac events) in 0.8%, and CVA (cerebrovascular accident) in 1%. Reassuringly, the overall 30-day mortality rate was low, at 1.7%.

  • Lobectomy or Pneumonectomy: Performed in 83.98% of patients.
  • Sublobar Resection (SLR): Performed in 16.1% of patients.
  • VATS Utilization: Used in 29.6% of surgical procedures.
  • Major Complications: Observed in 15.5% of cases.
  • Prolonged Air Leak or Bronchial Stump Leak: Most common major complication (6.5% of cohort).
  • Respiratory Failure: Occurred in 3.7% of patients.
  • MACE: Occurred in 0.8% of patients.
  • CVA: Occurred in 1% of patients.
  • 30-Day Mortality Rate: 1.7%.
AI Search Multiple angles on this topic

Fraunhofer Lines in Solar Spectroscopy

The listed sources concern Fraunhofer lines in the solar spectrum rather than lung-cancer research or surgical outcomes. Fraunhofer lines are dark absorption lines formed when atoms in the solar atmosphere absorb light emitted by the solar photosphere. One source reports that Joseph von Fraunhofer measured and cataloged more than 600 such lines about ten years after they were first noticed in 1802. These lines can help researchers draw conclusions about the chemical composition of the Sun's and Earth's atmospheres.

Evidence Limitations

No sources were provided for this subsection. In the absence of relevant evidence, claims about counterarguments, procedural failures, or the risks of surgery should be treated cautiously. A balanced assessment would require sources specifically addressing lung-cancer screening, diagnostic follow-up, surgical complications, and patient outcomes.

Lung Anatomy and Function

The listed sources describe the lungs as organs of respiration located in the chest cavity. They explain that lungs add oxygen to the blood and remove carbon dioxide, while the Cleveland Clinic describes them as pulling air into the body to supply oxygen to the bloodstream. The right lung has three lobes separated by two fissures, whereas the sources distinguish it anatomically from the left lung. These anatomical descriptions do not compare screening strategies or quantify the risks of lung surgery.

Multivariate analysis revealed that the use of SLR was significantly associated with decreased complications, while the use of VATS approached significance. These findings suggest that less invasive surgical approaches may lead to better outcomes for patients undergoing surgery for screening-detected lung cancer.

The Future of Lung Cancer Screening: A Call for Optimized Strategies

The findings of the Kemal study, along with the reconfirmed benefits of CT screening demonstrated by the NELSON trial, call for a reassessment of the perceived risks associated with surgery in lung cancer screening. Post-hoc analysis of NLST data suggests decreased complications with the use of SLR and VATS. To further improve outcomes, standardized CT volumetry with artificial intelligence technology, protocolized management algorithms for lung nodules, and state-of-the-art surgical techniques should be incorporated into future designs of LDCT lung screening programs. By embracing these advancements, we can reduce the risks associated with surgery and encourage more individuals to participate in lung cancer screening, ultimately leading to earlier detection and improved survival rates.

AI Search Multiple angles on this topic

Need for Relevant Clinical Evidence

No sources were provided for this subsection. A reliable synthesis of whether surgical risks in lung-cancer screening are overstated would require clinical evidence and expert commentary directly addressing screening benefits, false positives, diagnostic procedures, surgical complications, and patient selection. Without those materials, no evidence-based conclusion can be drawn from the supplied source list.

YouTube Streaming and Account Support

The listed sources concern YouTube TV support, purchase verification, and live-streaming workflows using OBS. YouTube's purchase-verification guidance states that requiring account information can help prevent accidental or unauthorized charges. OBS forum sources discuss stream keys, simultaneous streams, and displaying YouTube LiveChat comments. These materials do not address future developments in lung-cancer screening or thoracic surgery.

Microsoft's Technology Ecosystem

The listed sources describe Microsoft's technology ecosystem rather than systemic challenges in lung-cancer screening. Microsoft presents its mission as helping people and businesses realize their full potential. Its product pages reference AI, cloud services, productivity software, computing, gaming, and business tools, while account pages cover Outlook, Word, Excel, PowerPoint, subscriptions, and settings. These sources do not provide information about healthcare access, screening disparities, or surgical systems.

FedEx Shipment Tracking

The listed sources concern FedEx shipment and package tracking rather than the human impact of lung-cancer screening or surgery. FedEx tracking pages allow users to enter a tracking number, track by reference, and obtain proof of delivery or a transportation control number. The United States, United Kingdom, and India pages present similar tracking functions. These materials offer no evidence about patient experiences, treatment decisions, or real-world surgical outcomes.

How complication rates differ by cancer status

  • 10.2%Among people undergoing low-dose CT screening who were diagnosed with lung cancer, the major-complication rate was 10.2%; among those without lung cancer, it was 0.04%.[1]
  • 3.5Compared with chest radiography, low-dose CT was associated with an excess of 3.5 major complications per 10,000 people without lung cancer.[1]

What the screening figures suggest

The figures separate complications among people ultimately diagnosed with lung cancer from the small excess associated with screening among those without cancer. They do not describe a single risk that applies equally to everyone screened.[1]

How screening-related estimates compare

In the NLST, major complications were reported in connection with invasive procedures and surgeries among patients diagnosed with lung cancer; the reported rate was 11.8%.[2]

A retrospective cohort from community practices reported higher complication rates than the NLST range, but the comparison is indirect: its procedures were not generally follow-up to screening, and the populations and care circumstances may differ.[2]

The community cohort cannot by itself show that screening caused the higher rates: eligibility was not established, and poorer health or lower quality of care may have affected complications.[2]

What remains unresolved about screening complications

  • How much do underlying pulmonary comorbidity and the procedure used contribute to complications among people without lung cancer? The reported associations identify factors linked with outcomes but do not quantify each factor’s independent contribution.[1]
  • How well do complication estimates from community procedures apply to diagnostic care that follows screening, given differences in screening eligibility and possible differences in patient health and care quality?[2]

Sources

  1. Overestimation of screening-related complications in the National Lung Screening Trial. (pubmed.ncbi.nlm.nih.gov)
  2. Lung Cancer Screening (PDQ®) - NCIFacebookFollow on XInstagramYoutubeLinkedin (www.cancer.gov)

About this Article -

Written with AI assistance from published research, and reviewed by the Mystum team. See our About page for more information.

Everything You Need To Know

1

What is the primary goal of lung cancer screening programs, and how does it relate to the detection of cancer?

The primary goal of lung cancer screening programs is to identify at-risk individuals without symptoms and detect cancer at an early, treatable stage. Early detection through screening programs offers a chance to improve outcomes, and the use of Low-dose computed tomography (LDCT) has shown to be effective in achieving this goal by detecting abnormalities that might indicate cancer at its onset.

2

What were the main concerns that hindered the widespread adoption of LDCT screening, and what role did surgical risks play in these concerns?

Several factors contributed to the low adoption of LDCT screening, including lack of demonstrated mortality benefit in some European studies, concerns about cost-effectiveness, and worries about the risks associated with LDCT screening, such as radiation exposure, false positives, and the potential for overtreatment. Among these concerns, the morbidity of surgical procedures performed as a result of screening-detected abnormalities stood out, with the National Lung Screening Trial (NLST) reporting a rate of 32%.

3

In the context of the National Lung Screening Trial (NLST), what surgical procedures were most commonly performed, and what were the rates of major complications and mortality?

Within the NLST, the most common surgical procedures were Lobectomy or Pneumonectomy, performed in 83.98% of patients. Sublobar Resection (SLR) was performed in 16.1% of patients, and Video-assisted thoracoscopic surgery (VATS) was used in only 29.6% of cases. Major complications were observed in 15.5% of cases. The most common major complication was prolonged air leak or bronchial stump leak (6.5% of the cohort). The overall 30-day mortality rate was 1.7%.

4

How did the Kemal et al. study challenge the existing perceptions of surgical risks in lung cancer screening, and what surgical approaches were associated with improved outcomes?

The Kemal et al. study suggests that the risks of surgery in patients with screening-detected lung cancer may be overstated. The study's findings, along with the reconfirmed benefits of CT screening demonstrated by the NELSON trial, call for a reassessment of the perceived risks associated with surgery in lung cancer screening. Multivariate analysis revealed that the use of SLR was significantly associated with decreased complications, while the use of VATS approached significance. These findings suggest that less invasive surgical approaches may lead to better outcomes for patients undergoing surgery for screening-detected lung cancer.

5

What advancements and strategies are recommended to optimize lung cancer screening programs and further reduce surgical risks?

To further improve outcomes, the article suggests that standardized CT volumetry with artificial intelligence technology, protocolized management algorithms for lung nodules, and state-of-the-art surgical techniques should be incorporated into future designs of LDCT lung screening programs. By embracing these advancements, we can reduce the risks associated with surgery and encourage more individuals to participate in lung cancer screening, ultimately leading to earlier detection and improved survival rates. The findings of the Kemal study, along with the reconfirmed benefits of CT screening demonstrated by the NELSON trial, call for a reassessment of the perceived risks associated with surgery in lung cancer screening.

Newsletter Subscribe

Subscribe to get the latest articles and insights directly in your inbox.