Dense Breasts Raise Risk of Cancer Recurrence
MONDAY, Nov. 9 (HealthDay News) -- After a lumpectomy, women with very dense breasts have a higher risk of cancer recurrence in the affected breast, a new study shows.
Breast density has already been linked with an increased risk of developing breast cancer, and experts have suspected that very dense breasts may also be associated with an increased risk of cancer recurrence at the site of the original cancer after lumpectomy.
The Canadian study, which involved a 10-year follow-up and is published online Nov. 9 and in the Dec. 15 print issue of Cancer, suggests those suspicions are correct.
"This trial is interesting because it is over such a long period of time," said Dr. Christy Russell, an associate professor of medicine at the University of Southern California Keck School of Medicine and spokeswoman for the American Cancer Society. "It's a very interesting study saying if you don't radiate after lumpectomy, density plays a large role in having a recurrence in the same breast."
Currently, radiation is typically given after breast-conserving surgery, or lumpectomy.
But not all of the 335 patients in the latest study had radiation after lumpectomy for their invasive breast cancer.
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