| Abbreviation | Definition |
|---|---|
| EBC | Early Breast Cancer |
| ECAA | Esophageal Cancer Awareness Association |
| ECAN | Esophageal Cancer Action Network |
| ECAS | European Cancer Anaemia Survey |
| ECC | Electronic Cancer Checklists |
| ECCF | Edensaw Community Cancer Foundation |
| ECIC | European Congress on Immunotherapies in Cancer |
| ECMC | Experimental Cancer Medicine Centres |
| ECPO | European Cancer Prevention Organisation |
| ECRC | Edinburgh Cancer Research Centre |
| ECRIC | Eastern Cancer Registration and Information Centre |
| ECRIC | Eastern Cancer Registry and Information Centre |
| ECSG | Epidemiology and Cancer Statistics Group |
| ECT | Emergency Cancer Technician |
| EECC | Epidemiology of Endometrial Cancer Consortium |
| EFCC | Ellis Fischel Cancer Center |
| EFVPTC | Encapsulated follicular variant of papillary thyroid cancer |
| EGC | Early Gastric Cancer |
| EGCC | East Georgia Cancer Coalition |
| ELCC | European Lung Cancer Conference |