| AACE | American Association for Cancer Education | In English | → Associations → Education |
| AACPI | American Alliance of Cancer Pain Initiatives | In English | → Organizations and associations |
| AACR | American Association for Cancer Research | In English | → Associations |
| ABCSG | Austrian Breast & Colorectal Cancer Study Group | In English | → Organizations and associations → Chest diseases |
| ABTA | American Brain Tumor Association | In English | → Associations → Neurology |
| ACCP | Alliance for Cervical Cancer Prevention | In English | → Organizations and associations |
| ACO | Arbeitsgemeinschaft für Chirurgische Onkologie | In German | → Associations → Surgery, orthopaedics, ophthalmology |
| ACRI | Atlantic Cancer Research Institute | In English | |
| AERIO | Association d'Enseignement et de Recherche des Internes en Oncologie | In French | → Associations → Education |
| AGO | Arbeitsgemeinschaft für Gynäkologische Onkologie | In German | → Associations → Gynaecology |
| AIF | Apoptosis Inhibitor Factor | In English | → Biochemistry, biophysics |
| ANOCEF | Association des Neuro-OnCologues d'Expression Française | In French | → Associations → Neurology |
| ARC | Association pour la Recherche sur le Cancer | In French | → Associations |
| ASSO | Austrian Society for Surgical Oncology | In English | → Organizations and associations → Surgery, orthopaedics, ophthalmology |
| BJC | British Journal of Cancer | In English | |
| CA | Cancer Antigen | In English | → Biochemistry, biophysics |
| CEA | Carcino-Embryonales Antigen | In German | → Biological sciences |
| CECOG | Central European Cooperative Oncology Group | In English | |
| CGFL | Centre Georges-François Leclerc | In French | |
| CHC | Carcinome hépatocellulaire | In French | |
| CLCC | Centres de Lutte Contre le Cancer | In French | |
| CPCSS | Carolina Prostate Cancer Screening Study | In English | |
| CRAT | Centre de Référence sur les Agents Tératogènes | In French | → Pharmacology, toxicology |
| DCTB | Dansk Center for Translationel Brystkræftforskning | In Danish | |
| DGHO | Deutsche Gesellschaft für Hämato-Onkologie | In German | → Organizations and associations |
| DKFZ | Deutsches Krebsforschungsinstitut | In German | → Research institutes |
| DKFZ | Deutsches Krebsforschungszentrum (www.dkfz.de) | In German | |
| EADO | European Association of Dermato-Oncology | In English | → Associations → Dermatology |
| EFR | European Federation for Colorectal Cancer | In English | → Organizations and associations → 6163 |
| EMN | European Myeloma Network | In English | → Organizations and associations |
| EONS | European Oncology Nursing Society | In English | → Organizations and associations |
| EORTC | European Organisation for Research and Treatment of Cancer | In English | → Organizations and associations |
| FECS | Federation of European Cancer Societies | In English | → Organizations and associations |
| FMRC | Fonds Mondial de Recherche contre le Cancer (www.fmrc.fr) | In French | → Organizations and associations |
| FNCLCC | Fédération Nationale des Centres de Lutte Contre le Cancer | In French | → Organizations and associations |
| FQC | Fondation Québécoise du Cancer | In French | → Foundations |
| GELA | Groupe d'Étude des Lymphomes de l'Adulte | In French | |
| GGC | Groupe Génétique et Cancer | In French | → Research institutes → Genetics |
| IARC | International Agency for Research on Cancer | In English | → Organizations and associations |
| ICD-O | International Classification of Diseases for Oncology | In English | → Bibliography |
| ICPO | Institute of Cytology & Preventive Oncology | In English | → Research institutes → Cytology |
| IGR | Institut Gustave-Roussy | In French | |
| INCA | Institut National du Cancer | In French | |
| IRCAD | Institut de Recherche contre les Cancers de l'Appareil Digestif | In French | |
| IST | Istituto Scientifico Tumori | In Italian | → Research institutes |
| JCRB | Japanese Cancer Research Resources Bank | In English | |
| JNO | Journal of Neuro-Oncology | In English | → Serial publications, periodicals → Neurology |
| LBICR | Ludwig Boltzmann Institut for Cancer Research | In English | |
| LNCC | Ligue Nationale Contre le Cancer | In French | → Organizations and associations |
| MCBO | Molecular Cell Biology and Oncology Graduate Program | In English | → Education → Cytology |
| MMTV | Mouse Mammary Tumor Virus | In English | → Virology |
| NCI | National Cancer Institute | In English | |
| NKI-AVL | Nederlands Kanker Instituut - Antoni van Leeuwenhoek Ziekenhuis | In Dutch | |
| NSLC | Non-Small cell Lung Carcinoma | In English | → Chest diseases |
| OECI | Organization of European Cancer Institutes (www.oeci-eeig.org) | In English | → Organizations and associations → Research institutes |
| OECI | Organisation of European Cancer Institutes | In English | → Organizations and associations |
| ÖGHO | Österreichische Gesellschaft für Hämatologie und Onkologie | In German | → Organizations and associations |
| OVCAD | OVarian CAncer Diagnosis | In English | → Diagnostics → Gynaecology |
| PAP | Papanicolaou | In German | |
| SFC | Société Française du Cancer | In French | → Organizations and associations |
| SFOG | Société Française d'Oncologie Gynécologique | In French | → Organizations and associations → Gynaecology |
| SFOP | Société Française d'Oncologie Pédiatrique | In French | → Organizations and associations → Pediatry |
| SFPO | Société Française de Pharmacie Oncologique | In French | → Organizations and associations → Pharmacology, toxicology |
| SFRO | Société Française de Radiothérapie Oncologique | In French | → Organizations and associations |
| SIOP | Société Internationale d'Oncologie Pédiatrique | In French | → Pediatry |
| SLC | Small cell Lung Carcinoma | In English | → Chest diseases |
| TGF | Tumor Growth Factor | In English | → Biochemistry, biophysics |
| TNF | Tumor/Tumour Necrosis Factor | In English | → Biochemistry, biophysics |
| TRAIL | Tumor necrosis factor Related Apoptosis Inducing Ligand | In English | → Biochemistry, biophysics |