Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe cardiomegaly is re - demonstrated . The aortic arch is calcified . Mediastinal contour is similar . There is mild pulmonary edema , new compared to the previous study . Small bilateral pleural effusions are present . No pneumothorax is identified . No acute osseous abnormality is visualized .
    OUTPUT:
    
Mild pulmonary edema and small bilateral pleural effusions .