Tumor Findings Specimen Type Body Region Site of Tumor GDC Terminology Specimen Anatomic Site Site of Metastasis EWS Authorized Value Terminology EWS Biopsy/Surgical Procedures Table EWS Tumor Assessment Table GDC Value Terminology OS Authorized Value Terminology OS Tumor Assessment Table OS Biopsy/Surgical Procedures Table OS Radiation Therapy Table UBERON Terminology Clinical Data Interchange Standards Consortium Terminology CDISC SDTM Terminology Targeted Anatomic Site CDISC SDTM Anatomical Location Terminology CDISC SEND Terminology Buttock regio glutealis PCDC Buttock Either of the fleshy mounds in the rear pelvic area of the human body formed by the gluteal muscles. Either of the fleshy mounds in the rear pelvic area of the human body formed by the gluteal muscles. Body Location or Region BUTTOCK clunis A zone of soft tissue located on the posterior of the lateral side of the pelvic region corresponding to the gluteal muscles. buttock UBERON:0013691 gluteal part of pelvic girdle UBERON Buttock gluteal region CDISC C0006497 GDC C89806 Buttock