Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Dialysis catheter is again seen with its tip in the low SVC . A vascular stent is noted in the left brachiocephalic vein . Cardiomegaly is stable . Right hemidiaphragm is partially elevated . There is no focal consolidation , large effusion or pneumothorax . Mediastinal contour stable . Bony structures are intact with right humeral head replacement again noted . There is high - riding left humeral head suggesting chronic left shoulder rotator cuff disease .
    OUTPUT:
    
Cardiomegaly without superimposed pneumonia or edema .