Fig. 5From: Successful resection of giant esophageal liposarcoma by endoscopic submucosal dissection combined with surgical retrieval: a case report and literature review a, b Histopathological examination showed internal of the tumor consisted of adipose tissue, enriched small vessel, and lymph duct. c, d Immunohistologically, adipose cells were positive for CDK4 (c) and weakly positive for MDM2 (d) in nuclei (HE hematoxylin and eosin stain, CDK4 cyclin-dependent kinase 4, MDM2 murine double minute-2)Back to article page