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: Medicine
A patient comes with non-productive cough, hemoptysis and grade III clubbing, Chest X-ray shows upper left zone lesion. The likely cause is - 
Select and explain. 
A. Small cell carcinoma lung, B. Non-small cell carcinoma lung, C. Tuberculosis, D. Fungal infection of lung
B: Non-small cell carcinoma lung
Answer: B: Non-small cell carcinoma lung 
Explanation: None