This , however , does not prevent carcinomas from developing in sharks .

然而，这并不能阻止癌细胞在鲨鱼身上的生长。

Oat cell carcinomas occur almost exclusively in smokers .

燕麦细胞癌几乎只发生于吸烟者。

Patients with serious carcinomas have a poorer survival .

浆液性癌的病人生存率很低。

Since many basal or squamous cell carcinomas are on the face and neck , surgery to remove them can leave people with facial scars .

这是由于许多的基底和鳞状癌细胞分布在脸部和颈部，用手术移除它们可能会给患者留下面部疤痕。

In contrast , undifferentiated carcinomas rarely exhibit structurally altered tumor suppressor genes .

相反，未分化癌极少表现出抑癌基因结构的改变。