Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small left pleural effusion is seen , improved from prior study . There is an area of consolidation at the base of the right lung , worsened since the prior , which is likely related to pulmonary edema and effusion however supervening pneumonia can not be excluded . The cardiomediastinal silhouette and hilar contours grossly unchanged . There is no evidence of pneumothorax .
    OUTPUT:
    
Opacity at base of the right lung likely related to pulmonary edema and plueral effusion however supervening pneumonia can not be excluded . These findings were communicated to Dr . ___ by telephone at 17 :01 on ___ by Dr . ___ .