Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the last radiograph , there has been interval removal of the left port . There is slight non-specific parenchymal opacity in the left upper lobe where the port was previously placed , which may represent scarring or other process . Additionally , the right lung base opacity is slightly more dense compared to ___ . There are no pleural effusions or pneumothorax . The heart is slightly enlarged . The mediastinum and hilar within normal limits . Multiple clips are noted along the left lateral chest wall . No acute osseous abnormalities .
    OUTPUT:
    
1 . New parenchymal density in the left upper lobe . This may represent scarring or other process and should be evaluated with CT . 2 . Right basilar opacity is more prominent compared to prior CXR and should also be evaluated by CT , as above .