Unusual presentation of metastatic leiomyosarcoma-right forearm swelling.

Leiomyosarcoma (LMS) is a rare smooth muscle connective tissue tumour accounting for around 11% of soft-tissue sarcomas (Ducimetiere F, Lurkin A, Ranchere-Vince D, Decouvelaere AV, Péoc'h M, Istier L . Incidence of sarcoma histotypes and molecular subtypes in a prospective epidemiological study with central pathology review and molecular testing. 2011;6:e20294).