Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are new bibasilar opacities since most recent prior chest radiograph , which are concerning for developing pneumonia , particularly within the right lung base . There is mild blunting of the bilateral costophrenic angles consistent with small effusions . Severe elevation of the left hemidiaphragm with distention of the splenic flexure of the colon is similar to prior examination . There is no pneumothorax . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
New bibasilar opacities concerning for pneumonia given new hypoxia . Close interval followup is recommended .