Incidence of carcinoma of the oral cavity in Karachi--district south.

Globally oral cancer is one of the ten common cancers. In some parts of the world, including the Indian sub-continent oral cancer is a major problem. The two year data of the Karachi Cancer Registry, showed oral cancer was the second most common malignancy in the males as well as in the females. The most common malignancy amongst the males being the carcinoma of the lungs and amongst the females, carcinoma of the breast. The annual incidence rate of oral cancer was 4.1 per 100,000 annually for the males and 4.0 per 100,000 annually for the females.