[Left Lower Lobectomy for an Elderly Patient with Anomalous Systemic Arterial Supply to the Basal Segment of the Left Lung;Report of a Case].

: A 76-year-old man was referred to our department for an abnormal shadow on a chest X-ray. Computed tomography showed an aberrant artery arising from the descending thoracic aorta to the basal segment of the left lung. The aberrant artery was dilated and tortuous, and its wall had remarkable calcifications. Bronchial branching to the basal segment of the left lung were normal. The diagnosis of anomalous systemic arterial supply to normal basal segment was established, and division of the aberrant artery and left lower lobectomy were performed successfully. His postoperative course was uneventful, and he was discharged on the 14th postoperative day. We describe herein a rare case of the elderly patient surgically treated for this disease along with a brief review of the literatures.