Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . Patient is rotated significantly to her right limiting evaluation . Previously noted feeding tube has been removed . Cardiomediastinal silhouette is shifted to the right and difficult to assess . Opacity at the right lung base likely reflects atelectasis and effusion . Difficult to exclude pneumonia . Haziness of the left lung base likely reflects bronchovascular markings given rotation .
    OUTPUT:
    
Limited due to patient rotation . Probable right basal effusion and atelectasis . Difficult to exclude lung base pneumonia .