小肠平滑肌肉瘤（肉眼）

小肠平滑肌肉瘤。大体上看是个肉瘤，体积大而且恶性。这个部位发生肉瘤不常见，但必须与别的类型的肿瘤区别。
This is a leiomyosarcoma of the small bowel. As with sarcomas in general, this one is big and bad. Sarcomas are uncommon at this site, but must be distinguished from other types of neoplasms.