Lung cancer and life expectancy

Once cancer enters the lymph nodes and bloodstream, it can spread anywhere in the body. The outlook is better when treatment begins before cancer spreads outside the lungs.

Other factors include age, overall health, and how well you respond to treatment. Because early symptoms can be easily overlooked, lung cancer is usually diagnosed in later stages.

Survival rates and other statistics provide a broad picture of what to expect. There are significant individual differences, though. Your doctor is in the best position to discuss your outlook.

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Current survival statistics don’t tell the whole story. In recent years, new treatments have been approved for stage 4 non-small cell lung cancer (NSCLC). Some people are surviving much longer than previously seen with traditional treatments.

The following are the estimated five-year survival rates for NSCLC by SEER stage:

  • Localized: 60 percent
  • Regional: 33 percent
  • Distant: 6 percent
  • All SEER stages: 23 percent

Small-cell lung cancer (SCLC) is very aggressive. For limited stage SCLC, the five-year survival rate is 14 percent Trusted Source. Median survival is 16 to 24 months. Median survival for extensive stage SCLC is six to 12 months.

Long-term disease-free survival is rare. Without treatment, median survival from diagnosis of SCLC is only two to four months.

The relative five-year survival rate for mesothelioma, a type of cancer caused by asbestos exposure, is 5 to 10 percent.

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