Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC tip terminates in the upper SVC . Cardiac , mediastinal and hilar contours are normal . Pulmonary vasculature is normal . There is minimal atelectasis in the lung bases . No large pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Left PICC tip in the upper SVC . Mild bibasilar atelectasis .