What is the prognosis of in situ and stage I non–small cell lung cancer (NSCLC)?

Updated: Jul 15, 2021
  • Author: Winston W Tan, MD, FACP; Chief Editor: Nagla Abdel Karim, MD, PhD  more...
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Patients with in situ and stage I lung cancer may respond to surgery. Their prognosis is far better than that of patients with more advanced disease. In patients with radiologically occult lung neoplasms, the 5-year survival rate is 24-26%; in those with abnormal chest radiographic findings, the rate is 12%. If the cancer is nonresectable, the prognosis is poor, with a mean survival rate of 8-14 months.

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