Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . There is prominence of the pulmonary vasculature , slightly improved from prior exam . There is increased consolidation at the right lung base which is likely atelectasis , less likely pneumonia . An associated increased small right pleural effusion is seen . No left pleural effusion or pneumothorax is seen . Enlargement of the cardiomediastinal silhouette is unchanged from prior exam .
    OUTPUT:
    
1 . Increased opacity at the right lung base with associated increased small right pleural effusion , likely representing atelectasis , less likely pneumonia . 2 . Slight interval improvement of pulmonary vasculature congestion . 3 . Stable cardiomegaly .