Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Cardiomegaly is unchanged . There is mild pulmonary edema . No large effusion or pneumothorax . Suggestion of underlying COPD . Bony structures intact .
    OUTPUT:
    
Cardiomegaly with mild pulmonary edema . Probable underlying emphysema .