Postoperative changes consistent with Ivor Lewis esophagectomy are present. There is low lung volume with residual bibasilar atelectasis, though there is noted improvement in aeration at the bases. The blunting of the left costophrenic angle may represent a small loculated effusion or pleural thickening.
Loculated pleural effusion (Uncertain) Pleural scarring (Uncertain) Atelectasis (Present)