Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is no definite evidence of a pneumothorax . Consolidation of the left upper lung corresponds to findings from prior chest CT , consistent with known left apical mass . There is bibasilar atelectasis . There are no pleural effusions .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process , no pneumothorax .