An NCI-designated Comprehensive Cancer Center
Chen Helen

Helen Chen, M.D.

Radiation Oncologist
Clinical Expertise
  • Radiation treatment of breast cancer
  • prostate cancer
  • brain tumors
  • lung cancer
  • rectal cancer
  • esophageal cancer
  • stomach and pancreatic cancer
  • gynecologic cancer
  • head and neck cancers
  • sarcomas
  • skin cancer
  • bone metastases
  • palliative/comfort care
Research Focus
  • Breast cancer
  • Prostate cancer
  • Head and neck cancer
  • Brain metastases
Assistant Clinical Professor, Department of Radiation Oncology
Other Languages Spoken
  • Mandarin
  • Spanish

Clinical Teams

  • N/A
Helen Chen, M.D., is a board certified radiation oncologist at City of Hope, South Pasadena in the Department of Radiation Oncology. She has cared for over 6,000 patients during her 22-year practice. She performs noninvasive radiosurgery and stereotactic body radiation therapy for brain and lung tumors, as well as RapidArc technology. These innovative methods allow for more precise treatments to be completed, with better patient comfort, in a fraction of the time.
Dr. Chen’s patient-centered approach includes enrolling her patients in clinical trials for breast, prostate, head and neck cancers and brain metastases. These treatments can mean better survival and quality-of-life outcomes. She is particularly proud of her highly skilled and collaborative team who work together to deliver coordinated, compassionate and personalized care for her patients.


209 Fair Oaks Ave.

South Pasadena, CA 91030

  • Sapareto SA, Tapazoglou F, Tran A, Hegyi E, Chen H, Terr L; Purging of AKR Leukemic Cells from Autologous Bone Marrow by Hyperthermia  Effects of Viral Interference. (submitted)
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