Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is identified . Minimal atelectasis is noted in the left lung base . There are no acute osseous abnormalities .
    OUTPUT:
    
No radiographic evidence for pneumonia .