Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is tortuous . The mediastinal and hilar contours otherwise are unremarkable . There is no pulmonary vascular congestion . Calcified hilar lymph nodes likely reflect prior granulomatous disease . Additionally , small calcified nodules are seen in the right lung base also likely reflective of granulomas . The lateral right hemithorax is excluded from the field of view . Minimal left basilar streaky atelectasis is noted . There is no large pleural effusion or pneumothorax . No acute osseous abnormalities are detected .
    OUTPUT:
    
Mild left basilar atelectasis .