This neoplasm is so well-differentiated that, except for its appearance as a localized mass, it is impossible to tell from normal adipose tissue.

• 图示小肠浆膜表面的良性肿瘤-脂肪瘤，具有良性瘤特点：周围局限、生长缓慢、和与起源组织（脂肪组织）很相似。