Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube , ___ mediastinal drains , bilateral chest tubes , left ventricular assist device , and enteric tube all are in standard positions . Swan - Ganz catheter via left internal jugular approach terminates in the region of the proximal right pulmonary artery . Multiple ___ clamps and untied sternotomy wires are seen projecting over the chest and right lateral chest wall . ___ are noted projecting over the mid mediastinal region . Linear vertically oriented lucency over the mediastinum is compatible with median sternotomy and an open chest . Mediastinal widening is not unexpected and there is mild pulmonary edema . Cardiac silhouette remains mildly enlarged .
    OUTPUT:
    
Lines , tubes , support devices , and overlying radiopaque instruments as described .