OSCA Question 1.

A 51 year old man presented with a 6 months history of anorexia, pallor & weight loss. a. List 2 essential preoperative investigations which must be done.
(2 marks)

b. What are the possible postoperative complications specific to the surgery?
(5 marks)

c. List 3 predisposing factors for this pathological condition.
(3 marks)