Background: Leiomyosarcoma, a rare type of tumor, accounts for 5-10% of all soft tissue tumors.
Case report: A 44-year-old male patient was admitted to the emergency service of our medical faculty with the complaints of fatigue and abdominal mass.
Conclusions: The pathology result was leiomyosarcoma. Leiomyosarcoma of the skin is rare and our case is the largest such lesion reported in the literature.