This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Most common postoperative complication in polycythemia vera - 
Select and explain. 
A. Infection, B. Cardiopulmonary complication, C. Hemolysis, D. Uremia
B: Cardiopulmonary complication
Answer: B: Cardiopulmonary complication 
Explanation: Ans is . 'b' i.e., Cardiopulmonary complication o Many patients of polycythemia experience a post-operative complication, most often bleeding or thrombosis. o So, none of the given options is correct. o Amongst the given options, I would like to prefer cardiopulmonary complication because thrombosis (DVT) is the most common cause of pulmonary embolism.