Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Left basilar atelectasis is noted . Chronic appearing left - sided rib deformities are noted . Mid lung atelectasis is noted . No large pleural effusion or pneumothorax is seen . The aortic knob is calcified . The cardiac silhouette is top - normal to mildly enlarged . There is no overt pulmonary edema . Partially imaged right humeral prosthesis is not well evaluated . .
    OUTPUT:
    
Low lung volumes and atelectasis without focal consolidation seen .