There are multiple definitions:

1. National Fibromyalgia Association(English)

   • Chronic fatigue syndrome, Organizations (documentation)

2. Neuroform Atlas(English)

   • stent for wide-necked cerebral aneurysms
   • mRS
   • Brain (dys)function, Vascular disease
   • https://doi.org…598-023-40725-1

3. non-functioning adenoma(English)

   • a benign tumor in a gland (such as pituitary) that does not overproduce hormones. Because they do not secrete excess hormones, they are usually only discovered incidentally or when they grow large enough to press on surrounding nerves
   • ALD, APA, CPA, DAB2, NFPA, PA, ZG
   • Gland(ular), Oncology, Endocrinology
   • https://doi.org…5/s-0043-100935
   • https://doi.org…58.2021.1988231