Which Lung Cancer has poor prognosis -

Ans. is 'a' i.e., Small cell lung Cancer o Small cell carcinomas are the most aggressive of lung tumors, metastasize widely and are virtually incurable by surgical means. Hence has poor prognosis among various Lung cancers o 60% of small cell cancers present late o People with extensive-stage SCLC have an average five-year survival rate of less than 1%.