Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lateral examination is extremely limited due to the arm down positioning . Persistent basilar opacities may be seen with atelectasis although the etiology is not specific . A new mild interstitial abnormality suggests mild pulmonary vascular congestion . The upper lungs remain clear . Cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . Persistent basilar opacities which are not specific ; these could be seen with atelectasis , although other etiologies such as pneumonia and aspiration are not entirely excluded . 2 . Findings suggesting mild new vascular congestion . 3 . Convex right mid mediastinal contour ; evaluation with chest CT is recommended when clinically appropriate . Final report discussed with Dr . ___ at 9 : 15 pm by telephone .