How the Sisters built a legacy in Tulsa
August 26, 2026
As Ascension St. John marks 100 years in Tulsa, Sister Loretta Hall reflects on the Sisters of the Sorrowful Mother legacy of compassionate care and service.
Cancer care in Northeastern Oklahoma
Oncologists at Ascension St. John, in partnership with Oklahoma Cancer Specialists and Research Institute, deliver cancer care focused on you.
Cancer care in Northeastern Oklahoma
Cancer is personal — so is the way we care for you at Ascension St. John
About cancer care at Ascension St. John
A cancer diagnosis can be overwhelming, but you are not alone. Ascension St. John partners with Oklahoma Cancer Specialists and Research Institute for your oncology care. After your diagnosis, you’ll meet with a multidisciplinary cancer care team that works together to create a personalized treatment plan with a goal of helping you return to your daily life.
At Ascension St. John and Oklahoma Cancer Specialists and Research Institute, your care team is part of a network of experienced cancer specialists. We provide evidence-based treatment approaches and the latest advancements in cancer care to deliver world-class cancer care, close to home.
Multidisciplinary cancer care team
- Biopsy
- Blood tests
- Colonoscopy
- CT scan
- Endoscopy
- Gastrointestinal pill camera
- Genetic cancer screening, testing and counseling
- Genetic testing
- HPV test
- Low-dose CT scan
- Mammogram
- Minimally invasive breast biopsy
- MRI
- Nuclear medicine scan
- Pap test
- PET scan
- PSA test
- Scalp cooling program
- Stool test
- Support programs and resources
- Ultrasound
- X-ray
- Breast-conserving surgery (lumpectomy)
- Breast reconstruction and reshaping
- Endoscopic procedures for head, neck and GI cancers
- Mohs dermatologic skin surgery
- Robotic-assisted gynecologic surgery
- Stem cell (bone marrow) transplant
- Video-assisted thoracic surgery (VATS)
- Clinical trials
- Brachytherapy
- External beam radiation
- Gamma Knife® radiosurgery
- Precision radiation therapy
- Radiation therapy
- Stereotactic radiosurgery and stereotactic radiation therapy
- TomoTherapy®
- Y-90 liver embolization
- Chemoembolization (TACE)
- Chemotherapy
- Hormone therapy
- Immunotherapy and advanced targeted drug therapy
Multidisciplinary cancer care team
- Biopsy
- Blood tests
- Colonoscopy
- CT scan
- Endoscopy
- Gastrointestinal pill camera
- Genetic cancer screening, testing and counseling
- Genetic testing
- HPV test
- Low-dose CT scan
- Mammogram
- Minimally invasive breast biopsy
- MRI
- Nuclear medicine scan
- Pap test
- PET scan
- PSA test
- Scalp cooling program
- Stool test
- Support programs and resources
- Ultrasound
- X-ray
- Breast-conserving surgery (lumpectomy)
- Breast reconstruction and reshaping
- Endoscopic procedures for head, neck and GI cancers
- Mohs dermatologic skin surgery
- Robotic-assisted gynecologic surgery
- Stem cell (bone marrow) transplant
- Video-assisted thoracic surgery (VATS)
- Clinical trials
- Brachytherapy
- External beam radiation
- Gamma Knife® radiosurgery
- Precision radiation therapy
- Radiation therapy
- Stereotactic radiosurgery and stereotactic radiation therapy
- TomoTherapy®
- Y-90 liver embolization
- Chemoembolization (TACE)
- Chemotherapy
- Hormone therapy
- Immunotherapy and advanced targeted drug therapy
Excellence in blood cancers
Ascension St. John Oncology is recognized by U.S. News & World Report as a High Performing Hospital for 2025–2026 in leukemia, lymphoma and myeloma care.
Get a second opinion on your cancer diagnosis or care plan
Get the confidence and peace of mind that your doctor and care plan are right for you. It's easy to get a second opinion at Ascension St. John and Oklahoma Cancer Specialists and Research Institute. We can review your medical records and healthcare history to answer your questions and discuss options.
When you’re facing a new cancer diagnosis or deciding on a surgical or therapeutic treatment plan, there’s a lot to think about. Our cancer specialists can provide a second opinion, based on our experience and as part of a national team.
Before your appointment, check with your insurance company to find out if a second opinion is covered. We can request your medical records on your behalf, so they can be shared with your care team before your arrival.
If you are experiencing a life-threatening emergency, go directly to the ER or call 911.
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