Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nasogastric tube terminates in the proximal stomach . Normal mediastinal and hilar contours . New , right basilar ring shadow may reflect focal infection . Recommend obtaining conventional PA and lateral chest radiographs when possible for further evaluation . Interval improvement in retrocardiac opacity suggests improving left basilar atelectasis . Interval resolution of small left pleural effusion .
    OUTPUT:
    
New , right basilar ring shadow may reflect focal infection . Recommend obtaining conventional PA and lateral radiographs when possible for further evaluation .