In India, Taiwan and Southeast Asia, the high incidence of oral squamous cell carcinoma (SCC) may be closely related to the high prevalence of betel quid chewing.

• 摘要在印度、东南亚及台湾等地有嚼食槟榔习惯的国家，有较高的口腔鳞状上皮细胞癌的发生率。