What fits here? A 46-year-old man receives the diagnosis of squamous cell carcinoma of the esophagus. A barium swallow is shown. Esophagectomy at the region indicated by the arrows is most likely to involve ligation of arterial branches of _______ vessels.
A. Aorta B. Internal thoracic arteries C. Pulmonary arteries D. Superior mesenteric artery E. Thyrocervical trunk