Preоperаtive diаgnоsis: Cаrcinоma of the mediastinum Postoperative diagnosis: Tumor of mediastinum, carcinoma The patient's history also includes the following diagnoses: HTN and mixed hyperlipidemia, and the patient has admitted to tobacco use. Reason for procedure: Two weeks ago, the patient had a biopsy of a mass found in the anterior mediastinum. Pathology confirmed that the mass was a carcinoma of the mediastinum. Procedure: The patient was prepped and draped in the usual sterile fashion. General anesthesia was administered. An incision was made in front of the left axilla area just below the nipple. The incision was then extended to below the tip of the left shoulder blade. The muscles were resected to expose the rib cage, and all bleeding points were controlled. The rib cage was entered by using a rib spreader that revealed a 2.2 cm by 1.4 cm mass. The mass and surrounding tissue were resected. The wound was closed in a layered fashion with sterile dressings applied. The mass was sent to pathology. The patient tolerated the procedure well and was taken to the recovery room in stable condition. First-Listed Diagnosis: Diagnosis: Diagnosis: Diagnosis: First-Listed Procedure: