huge retroperitoneal vascular hemartoma rt lumber and illiac fossa

 40 yr male having diffuse pain and lump in lower abdomen and lumber region. ct-scan showing huge about 12*15 cm size retroperitoneal mass with neovascularization, adharant to rt renal padicle and ivc. complete excision with ivc tear repair was done. on table frozen sections/o benign pathology. i.h.c s/o retroperitoneal vascular hemartoma.rare lesions seen now adays.