general or unspecified; prefer specifics but empyema unspecified may be EMPYEMA, PLEURAL: check text; coordinate with precoordinated organ/disease term
AQL
BL CF CI CL CN CO DG DH DI DT EC EH EM EN EP ET GE HI IM ME MI MO NU PA PC PP PS PX RH RT SU TH TM UR VE VI