Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to prior radiograph from ___ , there is new left mid and lower lung airspace opacities , concerning for pneumonia . Remainder of the lungs are grossly clear . There is no pulmonary edema . No pneumothorax or sizable pleural effusion detected .
    OUTPUT:
    
New left mid and lower lung opacities concerning for pneumonic infiltrates .