Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post left upper lobectomy . Since the prior study , there has been significant interval increase in patchy opacities involving the majority of the left lung left hemidiaphragm is more elevated than on the prior study suggesting further volume loss . No large pleural effusion is seen . The right lung is clear . There is an old fracture of the posterior lateral right eighth rib . The aortic knob is calcified . Grossly , the cardiac and mediastinal silhouettes are stable given the adjacent left - sided opacities .
    OUTPUT:
    
Interval increase in the patchy opacities involving majority of the mid left lung concerning for interval infectious process as well as volume loss . There is increased elevation of the left hemidiaphragm suggesting increase in volume loss .