Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , there is increased prominence of the interstitial markings . There is bibasilar atelectasis and increased volume loss at the right base . There is no focal airspace consolidation , pleural effusion , or pneumothorax . The mediastinal contours are normal . The heart appears mildly enlarged .
    OUTPUT:
    
Increased interstitial markings which most likely represents mild pulmonary edema .