Cancer Abbreviations and Acronyms

1. ON
   Oncology Nutrition
2. ONA
   Oncology Nurse Advisor
3. ONB
   Olfactory Neuroblastoma
4. ONC
   Oncologist Pathology
5. ONS
   Other Nervous System
6. OODP
   Office of Oncology Drug Products
7. OPCS
   Office for Population Censuses and Surveys
8. OPEN
   Oncology Patient Enrollment Network
9. OPMD
   Oralupotentially Malignant Disorders
10. OPSO
    Office of Physical Sciences-Oncology
11. OR
    Objective Response
12. ORBIT
    Oncology Research for Biologics and Immunotherapy Translation
13. ORBS
    Oncoplastmc and Reconstructive Breast Surgery
14. ORBS
    Oncoplastic Reconstructive Breast Surgery
15. ORC
    Open Radical Cystectomy
16. ORIEN
    Oncology Research Information Exchange Network
17. ORP
    Oncology Research Program
18. ORR
    Objective Response Rate
19. ORR
    Overall Response Rate
20. OS
    Osteogenic Sarcoma

Last updated: January 4, 2020 — Total entries: 2,422