<prompt> Ivor Lewis operation is done forCarcinoma oesophagusAchalasia cardiaHiatus herniaGERD  <response>: In carcinoma surgery alone is best suited to patients with disease confined to the oesophagus T1b, T2The most widely practiced oesophagotomy approach is the two-phase Ivor Lewis operation, especially distal tumors.Three-phase oesophagectomy McKeown may be more appropriate for more proximal tumours in order to achieve better longitudinal clearance,Ref: Bailey and Love 27e pg: 1092 