Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided pacemaker is stable in position . There are low lung volumes . There are several patchy opacities involving the right mid to lower lung worrisome for pneumonia . There is also a background of mild interstitial edema . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Right mid to lower lung patchy opacities worrisome for pneumonia on a background of mild interstitial edema . No pleural effusion .