There are multiple definitions:

1. non-allergic rhinitis(English)

   • a common disorder that can be defined as chronic nasal inflammation, independent of systemic IgE-mediated mechanisms. Symptoms mimic those of allergic rhinitis patients
   • AR, NAPT, LAR, NPT
   • ENT
   • https://doi.org…193/Rhino11.152

2. negative appendicectomy rate(English)

   • despite advances in radiology and predictive scoring systems, appendicitis remains a clinical diagnosis but inevitably some patients will have an entirely normal appendix removed
   • NA
   • Gastroenterology, Surgery
   • https://doi.org…jsu.2016.05.030

3. non-anatomic resection(English)

   • AR, HCC, TBF
   • Liver disease, Oncology, Surgery
   • https://doi.org…595-022-02616-2