Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , lung volumes remain low . There is mild elevation of the right hemidiaphragm . The cardiomediastinal and hilar contours are within normal limits . There is new focal consolidation , large pleural effusion or pneumothorax .
    OUTPUT:
    
Mild elevation of right hemidiaphragm . Otherwise , no acute cardiopulmonary process .