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News in Brief Health & Medicine

When tumors fuse with blood vessels, clumps of breast cancer cells can spread

Tests with fake vessels suggest this is an early step in metastasis

breast cancer cells

BREAKING AWAY  Breast cancer cells (shown growing in a lab dish) move through the body in clusters. New research may shed light on how the clusters enter the bloodstream.

Tom Misteli, Karen Meaburn/NCI Center for Cancer Research

By Tina Hesman Saey

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