preferred_name: Patient complains about 2 definable pains located in one or more areas of the body.
preferred_name_lc: patient complains about 2 definable pains located in one or more areas of the body.
label: Patient complains about 2 definable pains located in one or more areas of the body.
label_lc: patient complains about 2 definable pains located in one or more areas of the body.