True about adenocarcinoma lung: (A) More common in female, (B) Smoking is not associated with, (C) Central cavitations, (D) Upper lobe involvement is most common
Answer is A. Adenocarcinoma,also called peripheral carcinoma due to its location and scar carcinoma due to its association with areas of chronic scarring,is the most common bronchogenic carcinoma in females.It occurs more commonly in peripheral lung tissue & is closely linked to smoking.</p Ref:Pathology-Harsh Mohan-6th edition,page no:500.