Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pectoral stimulator device partially obscures the left lateral mid lung . A nasogastric tube terminates in the stomach . Bilateral interstitial opacities are not appreciably changed , however there is a new right basilar airspace opacity at the right heart border , which may be due to aspiration or infection . Small bilateral layering pleural effusions are unchanged . The heart and mediastinum are magnified by the projection .
    OUTPUT:
    
New right basilar airspace opacity projecting at the right heart border may be due to aspiration or infection . Unchanged mild pulmonary edema . Stable small bilateral layering pleural effusions .