Intermuscular Leiomyoma of Deep Soft Tissue Arising in the Lower Chest.

The article presents the clinical case of a 22-year-old man diagnosed with a mass in the right lower chest. Reportedly, the mass in the right lower chest had grown gradually and become painful over two years. The patient has undergone ultrasound examination, where a well-circumscribed homogeneous solid mass between the external oblique and external intercostal muscle was found. Furthermore, the clinical findings had revealed schwannoma or a hemangioma.