Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC tip terminates in the SVC . Heart size is normal . Mediastinal and hilar contours are unremarkable . Small right pleural effusion with right basilar opacity likely reflecting atelectasis is re - demonstrated . Known left upper lobe rounded lesion measuring approximately 2 cm is unchanged compared to the prior CT from ___ . Remainder of the left lung is clear . No left - sided pleural effusion is present . There is no pneumothorax . Catheter is seen projecting over the right upper quadrant of the abdomen . Drains are seen within the biliary system .
    OUTPUT:
    
1 . Right PICC tip in the SVC . 2 . Small right pleural effusion with right basilar opacity , likely atelectasis . 3 . Left upper lobe rounded opacity , unchanged .