Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously seen heterogeneous right lower lung opacities have essentially resolved . Dense consolidative opacities in the left retrocardiac region have also markedly improved . There is an area of reticular opacity projecting along the right paramediastinal upper lobe that is equivocally present on the prior study . The heart size is normal . The mediastinal contours are normal . A small left pleural effusion is decreased . There is no right pleural effusion . No pneumothorax is seen . Multilevel degenerative changes of the thoracolumbar spine are noted .
    OUTPUT:
    
1 . Reticular opacity projecting over the right superior paramediastinal region , possibly an infectious focus . Recommend further evaluation with an AP lordotic radiograph . This finding and recommendation was discussed with Dr . ___ by Dr . ___ at 9 :54 p .m . via telephone on the day of the study . 2 . Interval near - complete resolution of bibasilar opacities seen on the prior radiograph from ___ . 3 . Decreased small left pleural effusion .