Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is redemonstration of moderate - to - severe cardiomegaly with tortuosity of the thoracic aorta . There is central pulmonary and mediastinal vascular engorgement but no edema , improved since ___ . There is some linear atelectasis at the left lung base . There is otherwise no focal consolidation to suggest pneumonia . There is no large pleural effusion or pneumothorax . Multiple thoracic compression fractures and mineralization abnormalities are due renal osteodystrophy .
    OUTPUT:
    
Moderate - to - severe cardiomegaly with central pulmonary vascular engorgement . No edema .