preferred_name: Abnormal mouth tissue (ulcers, masses, oral lesions, including under denture or partial if one is worn)
preferred_name_lc: abnormal mouth tissue (ulcers, masses, oral lesions, including under denture or partial if one is worn)
label: Abnormal mouth tissue (ulcers, masses, oral lesions, including under denture or partial if one is worn)
label_lc: abnormal mouth tissue (ulcers, masses, oral lesions, including under denture or partial if one is worn)