disease has location lip disorder lower lip fistula https://github.com/monarch-initiative/mondo/issues/5963 https://www.malacards.org/card/isolated_lower_lip_fistula MONDO:0015382 GARD:0019940 UMLS:C1274792 MEDGEN:698113 Orphanet:141064 A rare otorhinolaryngologic disease characterized by congenital, typically bilateral and paramedian, symmetric or asymmetric fistulae in the lower lip, which are lined by labial mucosa. The malformation is usually asymptomatic, although it may communicate with accessory salivary glands and then result in secretion of saliva from the opening. Infections may also occur. cysts and fistulae of the face and oral cavity of lower lip lower lip cysts and fistulae of the face and oral cavity icd11.foundation:230523092 cysts and fistulae of the face and oral cavity lower lip