Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vascularity is normal . Subsegmental atelectasis in the lingula is noted . Minimal blunting of the left costophrenic angle is again seen , likely chronic pleural thickening . No focal consolidation , pleural effusion or pneumothorax is identified . The lungs are hyperinflated . Multiple clips are demonstrated within the left upper quadrant . There are no acute osseous abnormalities .
    OUTPUT:
    
Subsegmental atelectasis in the lingula .