Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Small opacity seen in the right mid lung . Elsewhere the lungs are clear . Cardiomegaly is again noted . Central venous catheter is unchanged in position . Enteric tube passes below the inferior field of view .
    OUTPUT:
    
Vague right mid lung opacity , nonspecific potentially infection . This could be better characterized by PA and lateral if the patient is amenable .