Postoperative changes including new mediastinum sternotomy wires, a right internal jugular line with a Swan-Ganz catheter, an endotracheal tube positioned 4 cm from the carina, and a new left ventricle cardiac pacer lead. Interval development of left perihilar atelectasis and left upper lobe atelectasis, as well as retrocardiac opacity most consistent with atelectasis versus consolidation.
Perihilar airspace opacity (Uncertain) Atelectasis (Present)