Welcome to X-Ray Medical Group Radiation Oncology

At X-Ray Medical Group Radiation Oncology (XRO) we recognize a cancer diagnosis for you or a loved one presents a very stressful time with many important decisions to be made. Our goal is to provide you with information about your diagnosis and treatment options to help guide you through this challenging time. Once your treatment planning begins in one of our departments you will receive expert consultation and state of the art technology to provide you with the best chance of cure with as minimal side effects as possible. With three locations throughout San Diego County we offer convenient access to expert cancer treatment and cutting edge technology.


XRO Physicians
Biography of Dr. Lori ColemanLori Coleman, MD Sharp Biography of Dr. Kelly DewittKelly DeWitt, MD Biography of Dr. Siavash JabbariSiavash Jabbari, MD Sharp Biography of Dr. Sunanda PejavarSunanda Pejavar, MD
Biography of Dr. Barry UhlBarry Uhl, MD

Biography of Dr. Ruben CarmonaRuben Carmona, MD

Sharp Biography of Dr. Croix FossumCroix Fossum, MD

Biography of Dr. Andrew BruggemanAndrew Bruggeman, MD


Learn about our Board Certified Radiation Oncologists ...

Our offices offer language support in Spanish and Tagalog to better serve our community.

"Movember" Is Men's Health Month

November is men's health month
Dr. Jabbarri discusses "Movember" Men's Health Month.
Fox 5 News

A New Study May Help More Metastatic Brain Tumor Patients

Ryght AI Assembles Dr. Siavash Jabbari and Renowned Medical Leaders to Guide Next Phase of Clinical Trial AI Innovation

Joe Biden Prostate Cancer Diagnosis

Precision, Compassion and Care

Dr. Jabbari on Joe Biden's prostate cancer diagnosis

dr siavash jabbari
Dr. Jabbarri discusses former president Joe Biden's prostate cancer diagnosis.
CBS 8 News   |   NBC 7 News   |   ABC 10 News   |   Univision

The Evolution of Prostate Cancer Treatment

the evolution of prostate cancer treatment
For decades, there have been two primary treatments to cure prostate cancer — surgery or radiation. However, modern technology has allowed both to leapfrog forward dramatically, improving patient results. Read the full article here.

Proud to serve a Diverse Community

proud to serve a diverse community
Being multilingual is very important to Dr. Ruben Carmona, medical director of radiation oncology at the Douglas & Nancy Barnhart Cancer Center at Sharp Chula Vista Medical Center. Read the full article here.

Testicular Cancer and Young Men

testicular cancer and young men
We often hear that cancer is more common in older adults. But one cancer, testicular cancer, is frequently diagnosed in young men ages 15 to 45. In fact, roughly 50% of testicular cancers are found in men ages 20 to 34. Read the full article here.

MR-Conditional Cardiac Device Perspectives Series with Dr. Jabbari


Dr. Jabbari Raised Funds at Over The Edge

pictures folder lightboxby VisualLightBox.com v6.1

Physicians and staff at the Laurel Amtower Cancer Institute and Neuro-Oncology Center were proud to support brain tumor patients at Over The Edge in San Diego on December 9, 2018. At the event, fundraisers (including XRO’s Dr. Jabbari) rappelled down the side of the Manchester Grand Hyatt to fund efforts for innovative brain cancer research. More than $7,000 was raised by Sharp to support the cause.

Hope for Patients with Aggressive Brain Tumors

Hope for patients with aggressive brain tumors
Dr. Siavash Jabbari recently provided input for the Sharp Health News article on treatment for aggressive brain tumors. Read the full article here.