Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP semi-erect portable chest film ___ at 23 :57 is submitted .
    OUTPUT:
    
Left subclavian PICC line now courses across the midline and heads cephalad in the proximal right brachiocephalic vein near its junction with the SVC . Repositioning would be recommended . However , it is noted that the patient was subsequently imaged on ___ at 10 am and on that study , the PICC line is now in satisfactory position . The left basilar opacity and associated small effusion are unchanged likely reflecting compressive atelectasis , although pneumonia can not be entirely excluded . There is stable pulmonary vascular congestion . No pneumothorax is seen . The heart remains enlarged . Overall mediastinal contours are stable .