Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large right pleural effusion likely has a subpulmonic component . It has apparently increased in size since the ___ chest radiograph , and is more fully quantified on the recent abdominal CT performed about one hour after the chest radiograph and dictated separately under clip ___ . Adjacent atelectasis is present in the right middle and right lower lobe . The effusion is associated with slight shift of the cardiomediastinal contours towards the left . Left lung and pleural surfaces are clear .
    OUTPUT:
    
Large right subpulmonic pleural effusion . Please see a separately dictated abdominal CT from later today , which more fully evaluates the effusion .