As for the most common cancer site, Amis had a equal incidence of oral cavity cancer and hypopharyngeal cancer other aborigines developed nasopharygneal cancer most frequently.

• 头颈癌好发部位方面，阿美族的口腔癌与下咽癌病人人数相当，其他族群则是罹患鼻咽癌为主，不同于汉族病人以口腔癌最常见。