Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior CT , there is increased opacification in the right lower lobe , concerning for pneumonia , likely aspiration related . Additionally , there is an opacity in the left lower lobe , which is similar to the prior CT and chest radiograph , which could be related to findings of chronic aspiration , though a component of active infection can not be completely excluded . There is no pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . The osseous structures are unremarkable .
    OUTPUT:
    
New right lower lobe opacity concerning for pneumonia , likely aspiration related . A left lower lobe opacity is unchanged from prior exam , and may be the sequelae of chronic aspiration . A superimposed active infection can not be completely excluded .