Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A lordotic view was obtained . The cardiac , mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . There is minimal streaky atelectasis in the left lung base . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormalities identified .
    OUTPUT:
    
Left basilar atelectasis .