Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable and stable since the prior examination . The aorta is tortuous . Linear left basilar opacity is noted , which likely represents atelectasis . In addition , a new right infrahilar opacity is noted , which may represent pneumonia in the appropriate clinical setting . There is no pleural effusion or pneumothorax . Again seen is a right sided PICC line terminating in the lower SVC .
    OUTPUT:
    
Right infrahilar opacity may represent pneumonia in the appropriate clinical context .