喉是人的呼吸及发声器官,上与口咽相通,下与气管相通,是呼吸道在气管起点的重要关口,有防止食物及其他异物进入呼吸道的作用,意义重大。但近年来,喉癌发病率呈上升趋势,是仅次于肺癌的第二大呼吸道高发癌症。喉癌患者早期可能有声嘶、咳嗽等症状,随着疾病的发展,可能会出现呼吸困难,甚至窒息。喉癌早期有五大症状。 Throat is human respiratory and vocal organs, and the oropharyngeal communication, and tracheal under, is an important point of the airway at the beginning of the trachea, to prevent food and other foreign body into the respiratory tract, of great significance. However, in recent years, the incidence of laryngeal cancer is on the rise, is second only to lung cancer, the second largest respiratory tract high incidence of cancer. Early laryngeal cancer patients may have hoarseness, cough and other symptoms, with the development of the disease, there may be breathing difficulties, or even suffocation. Laryngeal cancer early five symptoms.