There are multiple definitions:

1. mouse medullary thyroid carcinoma(English)

   • a replication defective adenovirus harboring the interleukin-2 gene (AdCMVmIL2) is used for treatment
   • CTL
   • Thyroid and parathyroid, Oncology
   • https://doi.org…thy.1998.8.1137

2. massive machine-type communication(English)

   • eMBB, IM, OFDM, SM, URLLC
   • Communication
   • https://doi.org…OC.2020.3040589