Squamous cell carcinoma

Squamous cell carcinoma is a malignant tumor that commonly occurs in areas covered by squamous epithelium, such as the skin, esophagus, cervix, and vagina. The affected populations for squamous cell carcinoma vary depending on the site. The following briefly describes some representative diseases: Lung cancer: Common in elderly men. Esophageal cancer: Primarily occurs in the Taihang Mountains, Qinling Mountains, and the border areas of Fujian and Guangdong. Squamous cell carcinoma of the oral and maxillofacial region: Mostly occurs in elderly individuals, with a higher incidence in males. Eyelid squamous cell carcinoma: Common in middle-aged and elderly patients. Cervical cancer: The peak age of incidence is 50 years old.