Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are low lung volumes . There is prominence of the hila and central pulmonary vasculature . Over the posterior right eighth rib / anterior right third rib , there is a 5 - mm nodular opacity not clearly seen on prior chest radiograph ; however , could potentially represent bone island seen on prior chest CT from ___ , although on that study it was in the ninth rib . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
1 . Low lung volumes with likely moderate pulmonary vascular congestion / mild pulmonary edema . 5 - mm nodular opacity projecting over the right mid lung , at the level of the posterior right eighth rib / anterior right third rib , could possibly represent a bone island that was seen in the ninth rib on prior chest CT of ___ . However , given the uncertainty whether this is the same finding , findings could be further evaluated on chest CT .