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: Surgery
A 40 years old male with CA descending colon presents with acute intestinal obstruction. Emergency treatment of choice is 
Select and explain. 
A. Hartman’s procedure, B. Ileostomy, C. Left hemicolectomy, D. Total colectomy
A: Hartman’s procedure
Answer: A: Hartman’s procedure 
Explanation: None