Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left chest ventricular pacer with tip in the right ventricle is unchanged in position . The Swan - Ganz catheter has been removed since ___ . The heart is severely enlarged . No pneumothorax , large pleural effusion or frank pulmonary edema . There is mild pulmonary vascular congestion . Biapical pleural thickening or scarring is unchanged . No definite focal pneumonia .
    OUTPUT:
    
1 . Severe cardiomegaly and mild pulmonary vascular congestion without frank pulmonary edema . 2 . No definite focal pneumonia on this single view .