Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are decreased . The right hilar lymphadenopathy and adjacent right lower lobe nodule are partially obscured by new right lower lobe opacification accompanied by volume loss . Additional new patchy and linear opacities are present in the right upper and left lower lobes , and note is made of a new moderate right pleural effusion with likely subpulmonic component .
    OUTPUT:
    
New moderate right pleural effusion . Substantial adjacent right lower lobe opacity , which could be due to atelectasis with or without coexisting infection or aspiration .