Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The pulmonary vascularity is normal . Minimal atelectasis noted in the left lung base near the costophrenic angle . Remainder of the lungs are clear . No pleural effusion or pneumothorax is present . Multiple clips are seen within the left neck . There are no acute osseous abnormalities .
    OUTPUT:
    
Minimal atelectasis within the left lung base . No pleural effusion .