There are multiple definitions:

1. carbon ion irradiation(English)

   • lbx, rHGG, WBT
   • Radiotherapy /radiation
   • https://doi.org…cancers14030684

2. circumference(English)

   • BFR, ECC, HI, LI, RPE, RPP
   • Physical examination
   • https://doi.org….1111/cpf.12439

3. channel impulse response(English)

   • CSI, CSK, DFE, ISI, MAP
   • Communication, Nano-sciences
   • https://doi.org…NB.2015.2504542

4. cumulative incidence of relapse(English)

   • DFS, dUCB, EFS, MMR, OS, RIC, TCC, TCF, TKI, UCB
   • Hematology, Transplantation, Prognosis, Stem cell
   • https://doi.org…bmt.2014.08.018
   • https://doi.org…bmt.2018.12.007