Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate pulmonary edema , worsening moderate cardiomegaly , and widening of the vascular pedicle suggests congestive heart failure exacerbation . Opacity of the left lower lung is likely due to pleural effusion and some component of atelectasis . However , underlying infectious process such as pneumonia can not be excluded . There is no evidence of apical pneumothorax .
    OUTPUT:
    
1 . Worsening cardiomegaly , bilateral pulmonary edema , and widening of the vascular pedicle suggest CHF exacerbation . 2 . Left lower lung opacity is likely pleural effusion with a component of atelectasis , however , underlying pneumonia can not be excluded . The above results were communicated via telephone by Dr . ___ to Dr . ___ ___ at 3 : 10 p .m . on ___ , 30 minutes after discovery .