| Abbreviation | Definition |
|---|---|
| MBCN | Metastatic Breast Cancer Network |
| MBCW | Marin Breast Cancer Watch |
| MBTC | Metastatic Biliary Tract Cancer |
| MCAW | Mouth Cancer Awareness Week |
| MCBC | Men Countering Breast Cancer |
| MCC | Mutated In Colorectal Cancers |
| MCCB | Molecular Cell and Cancer Biology |
| MCCC | Marie Curie Cancer Care |
| MCCP | Maine Children's Cancer Program |
| MCCR | Mediterranean Center for Cancer Research |
| MCCR | Molecular and Clinical Cancer Research |
| MCCR | Monaro Committee for Cancer Research |
| MCGA | Michigan Cancer Genetics Alliance |
| MCHG | Modern Cancer Hospital Guangzhou |
| MCIF | Molecular Cancer Imaging Facility |
| MCIF | Montana Cancer Institute Foundation |
| MCIP | Macmillan Cancer Improvement Partnership |
| MCR | Missouri Cancer Registry |
| MCR | Molecular Cancer Research |
| MCRA | Minnesota Cancer |