Because of this there are lots of possible treatment options. There are different five year survival rates for stage 3 non small cell lung cancer nsclc ranging from as high as 33 to as low as 13. Definition Of Stage Iiia Non Small Cell Lung Cancer Nci Dictionary Of Cancer Terms National Cancer Institute But almost always stage iii cancer is in just one lung. Small cell stage 3 lung cancer . By stage 3 a person with lung cancer will usually have symptoms. Chest pain is a common symptom of stage 3 lung cancer. According to the american cancer society about 80 to 85 percent of lung cancers are non small cell lung cancer nsclc. The cancer has not spread or metastasized beyond that. Stage 3b refers to cancer that has spread to the neck or lymph nodes on the other side of the chest or to other organs. Stage 3a refers to cancer that has spread to the lymph nodes in the chest but only on the same side as the affected lung. This plays a significant role in stage 3 lung can...