Blood tests can’t confirm an esophageal cancer diagnosis, but they are part of the diagnostic process. Additional tests, such as a CT scan, endoscopy, barium swallow, and biopsy, are needed to ...

Blood tests are an important tool for diagnosing heart failure. Doctors can also use blood tests to monitor treatment progress and check for potential complications. Doctors may order blood ...

By Nancy Lapid May 27 (Reuters) - People who skip colorectal cancer screening because colonoscopy or stool testing seems too burdensome now have a blood test option from Guardant Health among ...