Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest provided . A right atrioventricular pacemaker appears unchanged . The right lung is hypoinflated in relation to the left lung . There is mild vascular congestion consistent with fluid overload . No pneumothorax . Small , bilateral pleural effusions are seen with associated bibasilar atelectasis . Hilar contours are normal . The aorta is tortuous . Severe S - shaped is unchanged .
    OUTPUT:
    
1 . There is mild vascular congestion consistent with mild fluid overload . 2 . Opacification of the right upper lung could be due to asymmetric pulmonary edema , scapula projecting over the lung or in the appropriate clinical setting pneumonia . 3 . Small , bilateral pleural effusions and associated bibasilar atelectasis .