A 47 year-old diabetic man, hoarsening, with thyroid tumor on the left lobe.
Ultrasound represented a # 49x34 mm solid mass, blurred contour, strong posterior shadowing, close to cervical esophagus with thickening wall.
He had got the lefl vocal paralysis.
MSCT and endoscopy detected an esophageal tumor at 1/3 middle part, invading the left lobe of thyroid.
Histopathogical results were an esophageal cancer, poor differentiazed squamous cell carcinoma.
Patient died some weeks later in chemotherapy management.