Q. Which of the following is a common symptom of lung cancer?

Which of the following is a common symptom of lung cancer?:mcq given below:

(a) Cough or change in a chronic cough
(b) wheezing sound on inspiration
(c) Foamy, blood-tinged sputum
(d) Dyspnea on exertion

Ans: (a) Cough or change in a chronic cough

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