 EUS followed by EBUS will be performed during the EUS staging procedure. The order of procedures for all patients is as follows: 1 Flexible Esophagoscopy with endoluminal biopsy, 2 Radial EUS for T staging 3 Linear EUS for lymph node biopsy and N staging, 4 Flexible Bronchoscopy for evaluation of the left mainstem bronchus for tumor invasion, 5 Linear EBUS for trans-tracheal and trans-bronchial lymph node biopsy. 