general or unspecified; prefer specifics; coordinate with organ/disease term, not organ /blood supply; consider also terms for presence of blood within cavities, as HEMOTHORAX; HEMATOCOLPOS; etc.
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 UR VE VI