Radiation therapy as an independent method of treatment in case of carcinoma of floor of mouth

The study presents the efficiency of radiotherapy as an independent method of treatment in 158 patients with cancer of floor of mouth. In this group patients did not undergo surgery and chemotherapy due to several reasons. The group of 158 patients included 137 (86,7%) men and 21 (13,3%) women. In 150 (94,9%) patients were morphologically proven squamous cell carcinoma of different histologic grade, in 8 (5,1%) patients - low differentiated carcinoma. 5-year survival rate in this study was dependent on the Stage of the tumor. Follow-up period up to 5 years was achieved in Stage I in 2 (1,3%) patients with cancer of floor of mouth, in Stage II - 40,7% patients achieved the same period, in Stage III - 21,5%, in Stage IV no one achieved 5-year survival rate.