Which ca has the best prognosis -

Carcinoma of the oral cavity A most common type of carcinoma of the oral cavity is squamous cell carcinoma In the oral cavity, tongue (30%) is the most common site followed by the lip (17.4%) and the floor of mouth (16.4%) The mortality from squamous carcinoma also varies by the site in the mouth, with the lowest mortality from lip cancer and the highest for cancer of the Tongue.