'Microbeads' May Boost Survival in Advanced Colon Cancer Patients

Small, preliminary study suggests radioactive beads may extend life by months in some patients

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"Maybe it helps you understand timing, which is never a terrible thing," she added. "This is the art of treatment of metastatic colorectal cancer -- it's in the tweaking of the treatments."

More information

The U.S. National Cancer Institute has more about metastatic cancer.

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