A rare subcutaneous tissue disease characterized by growth of symmetric non-encapsulated masses of adipose tissue mostly around the face and neck with variable clinical repercussions (e.g. reduced neck mobility, compression of respiratory structures). The disease is Monarch Disease Ontology id MONDO_0007908 (multiple symmetric lipomatosis). Also known as: Launois-Bensaude lipomatosis, Launois-Bensaude's lipomatosis, Madelung's Disease, Madelung's neck, cephalothoracic lipodystrophy, cervical symmetrical lipomatosis, familial benign cervical lipomatosis, lipodystrophy, cephalothoracic.