Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tip of a left - sided PICC line ends at lower SVC . Both lungs are well expanded and there are no opacities concerning for pneumonia or aspiration or pulmonary edema . Both pleural spaces are normal . Heart size is normal , mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Tip of the left PICC line is positioned approximately at the level of lower SVC . No pneumothorax or effusion .