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To evaluate the result of radiation therapy for twenty years experience, a total of 115 cases of pathologically proven glottic carcinoma had been analyzed according tot survival respectively. All the patients had been treated with radiation therapy in curative intent using Co-60 teletherapy machine. The results are as follows: 1) Accoridng to sex, 5YSR & 10YSR were 58.7% and 50.4% in male patients, and 80.0% & 72.0% in female. 2) According to T staging, 5YSR & 10YSR were 83.4% & 83.4% in T1, 69.2% & 60.0% in T2, 34.3% & 21.8% in T3, 32.0% & 0% in T4. 3) According to N staging, 5YSR & 10YSR were 63.8% & 59.2% in node-negative groups, and 30.7% & 15.4% in node-positive groups. 4) According to the histologic grade, 5YSR & 10YSR were 66.8% & 57.6% in G1, 61.3% 54.3% in G2, and 35.0% 35.0% in G3. 5) According to AJC staging, 5YSR & 10YSR were 83.4%% 83.4% in stage I, 72.0% & 62.7% in stage II, 36.8% & 28.3% in stage III, and 14.3% & 7.1% in stage IV. 6) In summary, 5YSR & 10YSR wre 60.4% & 52.8% in glottic carcinoma.
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