Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is not increased right perihilar airspace opacity . A small right pleural effusion has also increased , and there is now a small amount of fluid in the minor fissure . A 1 .9 cm right lower lobe nodular opacity is more prominent on today 's exam . The left lung remains clear . There is no pneumothorax . The heart and mediastinum are within normal limits . Regional bones and soft tissues are unremarkable .
    OUTPUT:
    
Increased right perihilar airspace opacity with a more prominent 1 .9 cm nodular opacity which may be due to incompletely treated pneumonia , however , a dedicated chest CT is recommended to exclude neoplasia . Increased small right pleural effusion .