A patient is having carcinoma larynx. The most likely other area having a second primary (synchronous second primary) is:: (A) Cancer base of tongue, (B) Cancer oesophagus, (C) Carcinoma bronchus, (D) Carcinoma nasopharynx
Answer is C. Cancer lung is commonly associated with laryngeal cancer. However, any other area of aerodigestive tract may show synchronous second primary.