“…Surgical excision of IMH should be considered at the forefront if the mass is gradually growing; if the patient has pain, local skin necrosis, thrombocytopenia, and cosmetic concerns; or if malignancy is suspected (2,11). In addition, according to the literature, radiotherapy is contraindicated in the treatment of IMH because of the possibility of malignant transformation and low success rate (7). Based on our knowledge, our patient's tumor was surgically resected along with the adjacent muscle tissues while taking care to preserve the phrenic nerve, brachial plexus, and left subclavian artery.…”