From 1974 to 1993 in Otolaryngology Department of County Hospital No 1 in Rzeszów, Poland in 98 patients cancers of the oral tongue and/or floor of the mouth have been diagnosed. Pathology examinations revealed squamous cell carcinoma in 98% of the total number of patients. Based on the hospital data and control examinations authors have analyzed retrospectively 42 patients (35 male and 7 female, aged 32-90). Because of the advanced stage of the disease as many as 17 patients have applied only palliative treatment. 13 patients were treated surgically followed by radiotherapy and/or chemotherapy, 9 patients were treated with radiation and 3 patients have radiotherapy and chemotherapy. 3, 5, and 10 years survivals have been estimated.