| Abbreviation | Definition |
|---|---|
| TLC | Tumescent Liposuction Contouring |
| TLI | Trypsin Like Immunoreactivity |
| TLS | Tumor Lysis Syndrome |
| TNBC | Triple Negative Breast Cancer |
| TNF | Tumor Necrosis Factor |
| TNF | tumor-necrosis factor |
| TNF-A | Tumor Necrosis Factor Alpha |
| TNM | Tumor, Node, and Metastasis (Staging System - Primary Tumor) |
| TNM | Tumor, Noes, and Metastasis (Staging System - Primary Tumor) |
| TNT | Transient Nuclear Test |
| TOA | The One At |
| TOID | Transplant and Oncology Infectious Diseases |
| TOPS | Teenage Oncology Patient Support |
| TRI | Tubulo Reticulo Inclusion |
| TRK | TRansKetolase |
| TROG | Tasman Radiation Oncology Group |
| TRP | Transient Receptor Potential |
| TRP | Tumor Repressor Protein |
| TSG | Tumor Suppressor Gene |
| TSOG | Thoracic Surgery Oncology Group |