Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Exam is limited by underpenetration . Moderate cardiomegaly is unchanged with interval appearnace of mild to moderate pulmonary edema . No pneumonia or pneumothorax . Probable small layering effusions .
    OUTPUT:
    
Moderate cardiomegaly with mild - to - moderate pulmonary edema and small bilateral layering effusions .