Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is stable compared to exams dated back to ___ ; however , there is no evidence of pulmonary vascular congestion or pulmonary edema . There is mild bibasilar atelectasis . There is no large pleural effusion or pneumothorax . The visualized osseous structures are unremarkable . Note is made of mild emphysema .
    OUTPUT:
    
Moderate cardiomegaly overall stable compared to the prior exams from ___ ; however , no evidence of pulmonary edema .