This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Surgery
Most common symptom of carcinoma bronchus is: 
Select and explain. 
A. Hemoptysis, B. Dyspnoea, C. Cough, D. Wheezing
C: Cough
Answer: C: Cough 
Explanation: CA Bronchus * M/C symptom - Cough > Dyspnea > chest pain > hemoptysis * MC aery responsible for hemoptysis in CA bronchus- bronchial aeries