Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is peripheral pleural and parenchymal scarring in the right upper lobe , better demonstrated on prior CT . Otherwise lungs are clear bilaterally except for minimal left apical scar . There is no focal consolidation , effusion , or pneumothorax . The tip of the left PICC terminates 8 cm below the level of the carina , unchanged from ___ .
    OUTPUT:
    
No new source of infection is identified .