Fig. 6From: Two-stage surgery for intraperitoneal and retroperitoneal multicentric liposarcoma causing hydronephrosis: a case reportHistopathological examination of the intra-abdominal tumor. a–c Hematoxylin and eosin-stained sample showed various sizes of spindle-shaped or round-shaped cells in the myxoid parenchyma, surrounded by fibrous capsule, with hyperplasia of the capillary or microvascular vessel, collagen fibers, and adipocyte cells. a The small intestine serosa shown above the tumor surface was intact (arrowhead), and no tumor invasion to the small intestine was observed. d. Alcian blue staining for the mucinous component was positive. e–g Immunostaining with S100 and MDM2 was positive and negative with CD34Back to article page