Pneumomediastinum, pneumothorax and subcutaneous emphysema during radiotherapy in primary cavitating bronchogenic carcinoma.

An extremely rare case of cavitating large cell carcinoma lung is reported in a middle aged man who developed pneumomediastinum, pneumothorax and subcutaneous emphysema on thirteenth day of his tele cobalt radiotherapy to chest. Possible mechanisms of such complications during radiotherapy are also discussed.