Which of the following histological type lung carcinoma has worst prognosis -: (A) Squamous cell CA, (B) Adenocarcinoma, (C) Alveolar-carcinoma, (D) Small cell carcinoma
Answer is D. Ans. is 'd' i.e., Small cell CA o Small cell carcinomas are the most aggresive of lung tumors, metastatize widely and are virually incurable by surgical means.