preferred_name: Erythema [first degree] of eye (with other parts face, head, and neck)
preferred_name_lc: erythema [first degree] of eye (with other parts face, head, and neck)
label: Erythema [first degree] of eye (with other parts face, head, and neck)
label_lc: erythema [first degree] of eye (with other parts face, head, and neck)