Retroperitonial atypical lipomatous tumour--a case report.

We report a case of atypical lipomatous tumor-sclerosing type, a rare retroperitoneal soft tissue liposarcoma, presented with vague musculoskeletal symptoms. Patient was managed with complete resection of the tumor mass with adjuvant chemotherapy. The patient is doing well, with no evidence of recurrence 22 months after the treatment.