Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . Heart size is top normal . Mediastinal and hilar contours are grossly unremarkable . Minimal atelectasis is noted in the left lung base . No focal consolidation , pleural effusion or pneumothorax is present . Pulmonary vasculature is normal . There are no acute osseous abnormalities . Relatively amorphous calcification is seen adjacent to the superolateral aspect of the left humerus suggestive of calcific tendinopathy .
    OUTPUT:
    
Minimal atelectasis in the left lung base .