Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior exam , there has been interval resolution of interstitial abnormality . Heart size is persistently enlarged . Mediastinal contours are stable . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . Hardware projecting over the upper abdomen slightly to the right of midline is of indeterminate etiology .
    OUTPUT:
    
Stable cardiomegaly without radiographic evidence for pulmonary edema .