Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: CHF has improved since ___ with resolution of edema ; the right - sided pleural effusion has nearly resolved . Improved opacities at the right lung base . The heart is within upper limits of normal size . No evidence of pneumothorax . No osseous abnormalities .
    OUTPUT:
    
1 . Decreased right infrahilar opacity compared to ___ , which likely reflects resolving atelectasis . However , short term follow up CXR may be helpful to exclude coexisting pneumonia if symptoms persist . 2 . Improved CHF .