Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe cardiomegaly persists , with unchanged tortuosity of the thoracic aorta which is diffusely calcified . Coronary arterial calcifications are re- demonstrated . Previously noted mild interstitial pulmonary edema has improved . There is no focal consolidation , pleural effusion or pneumothorax . Rugger ___ appearance of the thoracic spine is compatible with renal osteodystrophy . Erosive change in the left humeral head is noted along with degenerative changes in both glenohumeral joints .
    OUTPUT:
    
Cardiomegaly with interval improvement in previous pattern of mild interstitial pulmonary edema .