Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted with crowding of the bronchovascular markings . There is no parenchymal opacity seen at right lung particularly at the base laterally on the frontal view . Opacity at the right posterior costophrenic angle as well suggests component of effusion . Cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
Right parenchymal opacity , potentially infection in the proper clinical setting with superimposed small right pleural effusion .