这是一种特殊的液体积聚，发生于淋巴管阻塞，通常是恶性淋巴瘤累及肠系膜和腹膜后腔。

• This is an uncommon fluid accumulation that can be due to blockage of lymphatic drainage, in this case by a malignant lymphoma involving the mesentery and retroperitoneum.