Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is cardiomegaly , a large rounded opacity in the suprahilar portion of left lung and some patchy opacity in the right cardiophrenic region . Minimal blunting of the right costophrenic angle is similar to prior . Some of the patchy opacity at the left base and left costophrenic region has improved . Vascular plethora and an increased interstitial markings are seen , consistent with CHF , but the CHF demonstrates interval improvement . Suspect background hyperinflation of the lungs , consistent with COPD .
    OUTPUT:
    
Left upper lung mass again noted . Residual vascular plethora , consistent with mild residual CHF . However , the appearance is improved compared with ___ .