Simple blood test may predict recurrence of breast cancer

Late recurrence five+ years after surgery accounts for at least half of all breast cancer recurrences. There are no tests that identify who is at highest risk. Researchers studied a blood test for circulating tumor cells, finding that in women cancer-free five after diagnosis, 5% had a positive test, which was associated with a 35% recurrence risk after two years, compared with only 2% with a negative test….

Late recurrence five+ years after surgery accounts for at least half of all breast cancer recurrences. There are no tests that identify who is at highest risk. Researchers studied a blood test for circulating tumor cells, finding that in women cancer-free five after diagnosis, 5% had a positive test, which was associated with a 35% recurrence risk after two years, compared with only 2% with a negative test….