Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate low lung volumes . There is new elevation of the right hemidiaphragm . New plate - like atelectasis at the right lung base is likely secondary to the newly elevated right hemidiaphragm . An old right - sided ninth rib fracture is seen . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion , pneumothorax or consolidation concerning for pneumonia . Contrast is seen in the transverse and proximal descending colon with multiple diverticula present .
    OUTPUT:
    
Plate - like atelectasis at the right lung base likely secondary to newly elevated right hemidiaphragm .