Only a few cancers. Unfortunately, there are very few cancers that can be detected through blood tests. These include prostate cancer and leukemia. Some other cancers have tumor marker tests, such as breast cancer, ovarian cancer, colon cancer, pancreatic cancer, and others but these are to monitor, not detect the cancer.
Can doctors detect if you have had any radiation xrays?, in a test like blood or other. Can a blood test detect any cancer?
No and Maybe. There is no test that can see if you have been exposed to X rays. Some blood tests can detect cancer: a complete blood count can detect leukemia. Some substances secreted by tumors can be detected in the blood, but this is not a powerful or precise way of finding cancers in general. biopsy of tissue or collection of tissue or direct visualization is a much better method. Read more...