Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is plate atelectasis at the left lung base . There is no focal consolidation , pleural effusion , or pneumothorax . The cardiac , hilar , and mediastinal contours are within normal limits . The heart size is normal .
    OUTPUT:
    
No acute cardiopulmonary abnormality . The results of the study were relayed by Dr . ___ to ___ at the office of Dr . ___ by phone at 11 :49 a .m . on ___ .