What is the life expectancy of someone with Stage 1 lung cancer?

What are the four stages of lung cancer?

Stage I: This stage of tumor is localized to the lung. ...
Stages II&III: Stage II and Stage III lung cancers are confined to the chest. ...
Stage IV: Stage IV lung cancer,as with all other Stage IV cancers,is the worst stage of cancer. ...

Stage IV non-small cell lung cancer (NSCLC) is the most advanced form of the disease. In stage IV, the cancer has metastasized, or spread, beyond the lungs into other areas of the body. About 40 percent of NSCLC patients are diagnosed with lung cancer when they are in stage IV.

The overall 5-year survival rate for stage 1 lung cancer at this time is 49 percent for stage IA and 45 percent for stage IB.