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Back to Oncology Diseases

Non-small cell lung cancer

Non-small cell lung cancer (NSCLC) is a heterogeneous group of histologies. The most common types are squamous cell carcinoma, adenocarcinoma and large cell carcinoma.


The estimated new cases and deaths from lung cancer (non-small cell and small cell combined) in the United States in 2005 is:

  • New cases: 172,570
  • Deaths: 163,510 (a third of all cancer deaths).

Non?small-cell tumors account for approximately 80% of all lung cancers.


The rates for men are decreasing while those for women are increasing.


It usually appears in those over 45 years of age. The incidence of lung cancer increases with age. There has been an increase in the incidence of NSCLC in young nonsmoking women. The percentage of adenocarcinoma is higher in young patients than in older patients.

Race and ethnicity




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