Abstract Cancers of the oral tongue (OT) and floor of the mouth (FOM) are frequently grouped together as carcinomas of the tongue and floor of the mouth (OTFOM). The incidence rate of these cancers varies worldwide from 0.1/100,000 persons a year for females in Algeria, Chile and Korea to 7.4/100,000 persons a year for men in New Delhi, India....

By Vojkan Lazić, Dragan Krasić, Snežana Živković, Miloš Trajković, Slaviša Antić