Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New bibasilar densities are noted . A linear density at the left base is likely related to low lung volumes and atelectasis , however the density at the right base is less well - defined and more concerning for pneumonia in the proper clinical setting . There is persistent moderate distention of the colon at the splenic flexure , which is essentially unchanged dating back to ___ and may be chronic . More severely and acutely dilated loops are better evaluated on the recent abdominal radiographs of ___ . There is no pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . New right base opacity may be due to atelectasis , however in the proper clinical setting pneumonia can not be excluded . 2 . Colonic distention is better evaluated on a recent abdominal radiographs .