Section 305(b) requires each state to prepare a water quality assessment report every two years. The Environmental Protection Agency (EPA) compiles the information from the state reports and prepares a summary for Congress on the status of the nationâs waters.
Carcinoembryonic antigen (CEA) is a cancer marker. ( 1 See above under cancer markers.) 2  DR-70 is a simple blood test - (See above). 3  Hemoccult Test for colorectal cancer tests for blood in the stool. A positive finding warrants having further tests, like a colonoscopy or sigmoidoscopy to detect polyps and tumors. This test can be performed by almost any doctor's office.
Laboratory Tests. Although no single test can be used to diagnose cancer, laboratory tests such as blood and urine tests give the doctor important information. If cancer is present, the lab work may show the effects of the disease on the body.In some cases, special tests are used to measure the amount of certain substances called tumor markers in the blood, urine, and other body fluids, or tumor tissue.aboratory Tests. Although no single test can be used to diagnose cancer, laboratory tests such as blood and urine tests give the doctor important information. If cancer is present, the lab work may show the effects of the disease on the body.