Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , the patient has developed a parenchymal opacity in the right middle lobe that is very unlikely to correspond to pneumonia . The opacity is relatively ill - defined and shows subtle air bronchograms . The opacity is also seen on the lateral radiograph . No other abnormalities . No pleural effusions . No other parenchymal changes . No hilar or mediastinal adenopathy . Normal size of the cardiac silhouette .
    OUTPUT:
    
Right middle lobe pneumonia that has newly occurred as compared to ___ . At the time of observation and dictation , 8 : 13 a .m . , on ___ , the referring physician , ___ . ___ was paged for notification . The findings were discussed over the telephone .