New Study Finds a Blood Test May Detect Recurring Breast Cancer Faster than a Scan

New study finds a blood test may detect recurring breast cancer faster than a scan

An Austin-based oncologist and breast cancer specialist explains the test and an important caveat about detecting cancer early.

Cell-Free DNA Analysis Distinguishes Recurrent From Primary Breast Cancer

Kumamoto University researchers have developed a blood test that analyzes nucleosome structures in cell-free DNA to detect breast cancer recurrence.

Cancer’s DNA Packaging May Leave Clues in Blood

A cancer cell can leave traces of itself in the bloodstream even when doctors cannot directly see the tumor. Japanese researchers are exploring whether one of those traces could help reveal when breast cancer has returned after treatment. The new approach does not simply search blood for cancer-related DNA mutations. Instead, scientists at Kumamoto University […] The post Cancer’s DNA Packaging May Leave Clues in Blood appeared first on Knowridg…

Blood Test Identified Recurrent Breast Cancer From DNA Fragment Patterns, but Earlier Detection Remains Unproven

A blood test analyzing how DNA fragments are packaged in the bloodstream distinguished recurrent or metastatic breast cancer from primary disease in a 2026 study, suggesting that the physical characteristics of circulating DNA may contain information about cancer progression (Watanabe et al., 2026). Rather than looking only for cancer-associated mutations, researchers examined several characteristics of circulating cell-free DNA, including fragm…