Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The dialysis catheter terminates in the right atrium . The right IJ approach Swan - Ganz catheter terminates in the distal right pulmonary artery . The left PICC is traced as far as the mid SVC . The left pectoral transvenous pacer defibrillator leads extend into the right atrium , right ventricle , and the coronary sinus . The enteric tube terminates in the stomach . Lung volumes are low . The heart is severely enlarged , unchanged compared to multiple prior studies . The pulmonary vasculature is prominent . There is no focal consolidation , pulmonary edema , pleural effusion , or pneumothorax .
    OUTPUT:
    
1 . The Swan - Ganz catheter tip terminates in the distal right pulmonary artery . 2 . Severe cardiomegaly , unchanged compared to multiple prior studies .