Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is trace linear atelectasis at the base of the left lung . There is no focal consolidation , pleural effusion or pneumothorax . Mild pectus deformity is noted . The cardiomediastinal and hilar contours are within normal limits . Surgical clips are demonstrated in the right upper quadrant .
    OUTPUT:
    
Trace linear atelectasis at the left base . No focal consolidation , pleural or pneumothorax .