Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC tip terminates in the mid SVC . Patient is status post median sternotomy , CABG , and aortic valve replacement . Heart size is mildly enlarged , unchanged . Mediastinal and hilar contours are similar . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Left PICC tip in the mid SVC . No acute cardiopulmonary process .