Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is enlarged , increased from the prior . The aorta is tortuous , but unchanged . There is calcification of the aortic knob . The pulmonary vasculature is normal . No definite consolidation identified . Lung are hyperexpanded . There is no evidence of pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Cardiomegaly without obvious pulmonary edema . No evidence of pneumonia .