Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with chest radiograph from ___ , there is overall little change . Left PICC terminates in the lower SVC . There is no focal consolidation , pleural effusion or pneumothorax . Bibasilar platelike atelectasis has improved . Mediastinal and hilar contours are stable . Heart size is normal . Nasogastric tube terminates in the proximal stomach .
    OUTPUT:
    
No evidence of pneumonia .