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: Radiology
Honey comb lung appearance is seen in 
Select and explain. 
A. Consolidation, B. Alveolar cell carcinoma, C. Scleroderma, D. Pulmonary edema
C: Scleroderma
Answer: C: Scleroderma 
Explanation: Honey comb lung
Histiocytosis-x, scleroderma, Rheumatoid arthritis, ILD, TB.