Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left central venous catheter terminates in the mid SVC , unchanged from prior . The cardiomediastinal and hilar contours are within normal limits . There is an opacity at the right lung base which was not seen on ___ . There is no pneumothorax , fracture or dislocation . A chronic deformity of the right humeral head is better evaluated on radiograph ___ . Sub diaphragmatic calcifications are unchanged . Limited assessment of the abdomen is unremarkable .
    OUTPUT:
    
1 . An opacity at the right lung base in the appropriate clinical setting is concerning for pneumonia . 2 . Chronic deformity of the right humeral head is unchanged .