Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is unchanged . The aorta is diffusely calcified . No pulmonary edema is present , and the hilar contours are normal . Small bilateral pleural effusions are likely unchanged with persistent patchy atelectasis at the lung bases , more so on the left . No pneumothorax is present . No acute osseous abnormality is detected .
    OUTPUT:
    
Small bilateral pleural effusions and bibasilar atelectasis .