Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are new mild ground - glass opacities in the left perihilar region that are concerning for a infectious process . Stability of the right peripheral opacity that is partially due to a loculated hematoma : it is however better then the exam of ___ . Patient with known subsegmental chronic middle lobe atelectasis . There is also mild right lower lobe atelectasis . Stability of the mild posterior right pleural effusion . There is no pneumothorax . There is a hiatal hernia . The mediastinal and cardiac contour are normal .
    OUTPUT:
    
There are mild new ground - glass opacities in the perihilar region of the left lung . An infectious process has to be considered . Dr . ___ has been reached verbally at 11 :30 a .m . The exam was done at 10 :23 a .m . and read at 11 a .m .