In general, blood tests cannot tell for certain whether or not a person has cancer, according to Mayo Clinic. Blood tests can provide clues to the doctor as to what is happening inside a patient's body, including the pos... More »

www.reference.com Health Diagnostics & Imaging

A complete blood count, also called a CBC, can detect some blood cancers based on the amount of certain blood cells in the blood, according to Mayo Clinic. Abnormal blood cells can also be a sign of cancer. A bone marrow... More »

Routine blood tests cannot definitively detect cancer, with the exception of blood cancers, according to Mayo Clinic. However, routine blood tests provide a look into what's occurring in a person's body and whether or no... More »

Routine blood tests cannot definitively detect cancer, with the exception of blood cancers, according to Mayo Clinic. However, routine blood tests provide a look into what's occurring in a person's body and whether or no... More »

A positive ANA blood test indicates that a person's immune system has launched a direct attack on its own tissue, according to the Mayo Clinic. This is also known as an autoimmune reaction. A person does not have to be a... More »

When choosing a clinic or laboratory to perform blood tests, consider the convenience of the laboratory's location and the ease of scheduling appointments and accessing test results, states Quest Diagnostics. Patients ma... More »

www.reference.com Health Diagnostics & Imaging

A prostate-specific antigen (PSA) test can detect prostate cancer early, according to the American Cancer Society. When a PSA level is above 4 ng/ml, it prompts doctors to perform additional tests which can diagnose canc... More »