Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographsdemonstrate well expanded lungs . New right lower lobe opacity may represent atelectasis or aspiration . The lungs are otherwise clear . No pleural effusion or pneumothorax . Stable mild cardiomegaly is noted . The mediastinal contour and hila are unremarkable . A left PICC tip is within the lower SVC and best seen on lateral radiograph . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
1 . Left PICC tip within the lower SVC . 2 . Stable mild cardiomegaly . 3 . New right lower lobe opacity may represent atelectasis or aspiration .