Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Post CABG and tricuspid valve replacement changes . Dear lead pacemaker in situ . Endotracheal tube in situ with the tip 48 mm proximal to the carina . Swan - Ganz catheter tip in the proximal pulmonary artery . Enteric tube in situ . Transverse cardiomegaly unchanged . Small left - sided pleural effusion , but this is similar compared to previous imaging . No new airspace consolidation .
    OUTPUT:
    
Tubes and lines as described above . No new airspace opacification .