Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are within normal limits and without change . Relative hyperlucency of the upper lobes of the lungs with associated attenuated vessels may reflect emphysema in the setting of a history of COPD . Superimposed upon chronic areas of linear opacity in the lower lung is a slightly more confluent opacity in the left retrocardiac region , likely projecting posteriorly over the lower spine on the lateral view . Additionally , there is a second questionable area of new opacity in the right lung base medially . No pleural effusions are identified , and bones are diffusely demineralized , without acute findings .
    OUTPUT:
    
Findings concerning for focal left lower lobe ( and possibly bibasilar ) pneumonia . Considering history of COPD , followup chest x-ray in six weeks after completion of antibiotic therapy is recommended to document complete resolution . Findings entered into radiology communications dashboard on ___ .