Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been significant interval improvement in the right basal opacity with minimal residual airspace opacity . Given the rapid change , this likely reflects area pulmonary edema . Prominence of the bilateral hila has slightly improved . Unchanged left lower lobe atelectasis . Probable mild cardiomegaly .
    OUTPUT:
    
Interval improvement in the right basal parenchymal opacity , nearly resolved . Given the rapid interval improvement this likely represented pulmonary edema .