This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax And Mediastinum, Subject name: Surgery
A 60 years old diabetic male presented to the emergency with cough and sputum production, fever with chills and rigor. The chest X-ray was done and the finding is given below. Which of the following is an indication for surgery? 
Select and explain. 
A. Failure to respond to medical management, B. Suspected neoplasm, C. Hemorrhage, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Lung Abscess: - Cough - Sputum - Fever with chills & rigors - MC organism responsible - Anaerobes - T/t - Clindamycin - Indications for Sx: 1. Failure to respond to medication 2. Suspected neoplasm 3. Hemorrhage