CANCER OF THE ESOPHAGUS Anatomy Definition Constrictions Relations of the Thoracic Part of the Oesophagus Arterial Supply Venous Drainage Lymphatic Drainage Nerve Supply a) Parasympathetic nerves. b) Sympathetic nerves. Histology Clinical anatomy Definition Epidemiology Etiology Risk factors Pathology Pathophysiology Clinical features Staging Primary Tumor (T) Regional Lymph Nodes (N) Distant Metastasis (M) Based upon these parameters, the tumor is classified as: Investigations Labor...