Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there is partial obscuration of the right hemidiaphragm and there is a small right - sided pleural effusion . There is also a new area of increased opacity at the right lung base which could be related to volume loss . However , in the appropriate clinical setting , these findings could also reflect early pneumonia . The left lung is clear . The cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax .
    OUTPUT:
    
Increased opacity at right lung base with partial obscuration of the right hemidiaphragm , which could be related to volume loss and to pleural fluid . However , in the appropriate clinical setting , early pneumonia should also be considered . These findings were discussed with ___ by ___ via telephone on ___ at 11 :47 a .m . , at time of discovery .