Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph of ___ , previously reported multifocal pulmonary opacities have essentially resolved . There is an apparent new opacity in the right middle lobe and to a lesser extent in the right lower lobe , obscuring the right heart border and part of the right hemidiaphragm . Lungs are otherwise clear , and there are no pleural effusions . Cardiomediastinal contours are normal .
    OUTPUT:
    
Findings concerning for pneumonia predominantly involving the right middle lobe .