Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC tip terminates in the mid SVC , in unchanged position . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Minimal subsegmental atelectasis in the left lung base is noted . The remainder of the lungs are otherwise clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Left PICC tip in unchanged position . No acute cardiopulmonary abnormality .