Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to prior ___ radiograph , the right middle lobe atelectasis appears slightly worsened and remains most prominent on the lateral radiograph with only minimal obscuration of the heart border on the frontal view . These findings are new compared to more remote chest radiographs from ___ and ___ . There is no pneumothorax nor pleural effusion appreciated . The cardiomediastinal silhouette and hilar silhouettes are normal size .
    OUTPUT:
    
In comparison to prior ___ radiograph , the right middle lobe atelectasis appears slightly worsened . Recommend follow - up chest CT for further assessment of right middle lobe is opacity and to exclude the possibility of an obstructing endobronchial lesion .