Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly decreased . Atelectasis is noted at the left lung base . There is no evidence of focal consolidation , pleural effusion , pneumothorax , or frank pulmonary edema . Moderate cardiomegaly is present .
    OUTPUT:
    
Low lung volumes . Moderate cardiomegaly , age indeterminate .