There are multiple definitions:

1. tenascin(English)

2. true negative(English)

   • sensitivity = TP / (TP+FN); specificity = TN / (FP+TN)
   • TP, FN, FP, NPV, PPV
   • Statistics, Screening
   • https://doi.org…pubh.2017.00307

3. trigeminal neuralgia(English)

   • an exemplary condition of neuropathic facial pain. Classification is complicated by the requirement of objective signs confirming an underlying lesion or disease of the somatosensory system
   • BMS, NOP, PIFP, PHN, VAS, sTN, CTN
   • Neuropathy, Pain, Classification
   • https://doi.org…cel.2014.08.007
   • https://doi.org…000000000002840

4. treatment naïve(English)

   • BTK, CLL, FCR, ECOG, FISH, IGVH, ORR, OS, PFS, REP, SLL
   • Leukemia, Therapeutic approaches
   • https://doi.org…-2018-99-116441

5. triple negative(English)

   • breast cancer subtype and a high Ki67 labeling index are associated with a higher risk for CNS metastases
   • CNS, LI, CNB, ER, HER2, SRS, STI
   • Neuropathy, Mammary gland, Oncology, Biopsy
   • https://doi.org….1159/000345321
   • https://doi.org…2885-015-1853-1