This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory Radiology, Subject name: Radiology
Which Lung Cancer resembles Pneumonia with Air Bronchogram sign? 
Select and explain. 
A. Squamous Cell Ca, B. Large Cell CA, C. Small Cell Ca, D. Bronchoalveolar CA
D: Bronchoalveolar CA
Answer: D: Bronchoalveolar CA 
Explanation: *Bronchoalveolar carcinoma resembles pneumonia on a chest x ray *Has Aerogenous spread,along the bronchial wall called Lepidic growth *CT angiogram sign is also seen in Bronchoalveolar Ca