Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Degree of bilateral parenchymal opacities have progressed . There is no large effusion . Moderate cardiac enlargement is similar compared to prior . No acute osseous abnormalities .
    OUTPUT:
    
Diffuse bilateral parenchymal opacities worse since last month 's exam . Findings may reflect worsening pulmonary edema noting that superimposed infection is entirely possible .