nonepithelial cell tumor

例句：

1. 1.This is a rare form of cancer thataffects the cells in the epithelium.
   这是一种罕见的癌症，影响表皮细胞。
2. 2. Thepatient was diagnosed with an epithelial cell tumor and underwent surgery to removeit.
   患者被诊断出患有一种表皮细胞肿瘤，并接受了手术以切除它。
3. 3.Epidemiologists study the incidence ofepithelial cell tumors indifferent populations.
   流行病学家研究不同人群中表皮细胞肿瘤的发病率。