Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal radiograph of the chest was acquired . There is a new left PICC , with its tip in the mid right atrium . There is subsegmental right infrahilar atelectasis . The lungs are otherwise clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . New left PICC tip in the mid right atrium . Recommend repositioning . 2 . No acute cardiopulmonary process . Pertinent findings were discussed with Dr . ___ by Dr . ___ at 10 : 16 a .m . via telephone on the day of the study .