Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC line tip in the mid SVC , 3 .7 cm from cavoatrial junction . Shallow inspiration . Left basilar opacity , likely atelectasis is stable . Stable nodular opacity left mid lung laterally . No pneumothorax . Normal heart size , pulmonary vascularity .
    OUTPUT:
    
Left PICC line tip in the mid SVC .