Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right upper extremity PICC with the tip of which is in the mid SVC . The lungs are notable for slight increased left lower lobe opacity with air bronchograms seen on the lateral view . The pulmonary vasculature is normal . The cardiac silhouette is mildly enlarged .
    OUTPUT:
    
1 . Slight increase in prominence of airspace opacity in left lower lobe might represent developing or resolving infection . 2 . Mild enlargement of the cardiac silhouette 3 . Interval placement of PICC , the tip of which is in the mid SVC . Findings were discussed with Dr . ___ at 9 AM .