作者分析1963～1972年所治疗的415例喉内癌。本组喉内癌病人以男性为主,仅6例为女性,均为70岁。声门及声门上癌多发干70岁。吸烟嗜好不吸烟者很少患喉内癌,吸烟与喉癌有密切关系,因菸草内含有致癌素,如多芳族碳氢化物(烃),已经动物实验证明,对上皮有致癌作用。本组病人96.1％为吸烟者;10.6％吸烟不多; The authors analyzed 415 cases of laryngeal cancer treated from 1963 to 1972. This group of laryngeal cancer patients mainly male, only 6 cases of women, are 70 years old. The glottis and glottis are often over 70 years old. Smoking Hobbies Non-smokers rarely suffer from cancer of the larynx. Smoking is closely related to laryngeal cancer. Tobacco contains carcinogens, such as polyaromatic hydrocarbons (hydrocarbons), which have been proved to have carcinogenic effects on the epithelium by animal experiments. 96.1% of patients in this group were smokers; 10.6% did not smoke much;