In which of the following disease, the overall survival is increased by screening procedure?: (A) Prostate cancer, (B) Lung cancer, (C) Colon cancer, (D) Ovarian cancer
Answer is C. Randomized controlled trials of faecal occult blood screening for carcinoma colon have shown a reduced number of deaths by 15-33% in the screened group i.e. increased survival by 15-33%. Ref: Kirk's Manual of Clinical Surgery, Pages 424-426; Harrison's Internal Medicine, 16th Edition, Page 26