| Abbreviation | Definition |
|---|---|
| NECCR | North of England Children's Cancer Research Unit |
| NED | No Evidence of Disease |
| NG | NanoGram |
| NGOC | Northern Gynaecological Oncology Centre |
| NGOC | Northwest Georgia Oncology Centers |
| NHL | Non Hodgkin's Lymphoma |
| NHO | Nebraska Hematology Oncology |
| NHOH | New Hampshire Oncology Hematology |
| NIFTP | Noninvasive Follicular Thyroid Neoplasm with Papillary-like Nuclear Features |
| NIL | Negative for Intra-epithelial Lesion |
| NK | Natural Killer cells |
| NK | Not Known |
| NKCA | National Kidney Cancer Association |
| NKT | Natural Killer T Cells |
| NM | Nodular Melanoma |
| NMC | Non-Medullary Carcinoma |
| NMS | Non-Melanoma Skin |
| NMSC | Non Melanoma Skin Cancer |
| NNFF | National NeuroFibromatosis Foundation |
| NOCR | Network for Oncology Communication and Research |