Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Moderate cardiomegaly is unchanged . Calcification in the aortic knob is unchanged . Compared to study of ___ , the pulmonary edema has resolved . There is no focal consolidation or pleural effusion or pneumothorax . There is mild scarring at the apices .
    OUTPUT:
    
No acute cardiopulmonary process . Moderate cardiomegaly .