First, there are three ways in which you can keep chickens: 1  Free range Advantages: It's fun and you get to see the chickens run all around. 2  Limited range You can make up a fence (see fence section below) which will contain them. 3  Completely housed (in a coop) Advantages: Safety.
The USPSTF considers the following methods to be acceptable screening tests for colorectal cancer: 1  High-sensitivity fecal occult blood tests (FOBT). Both polyps and colorectal cancers can bleed, and FOBT checks for tiny amounts of blood in feces (stool) that cannot be seen visually. 2  Stool DNA test (FIT-DNA).
Blood tests. There are several types of blood tests that may be done during diagnosis and to monitor the patient during and after treatment. This includes tests called tumor marker tests. Tumor markers are substances found at higher-than-normal levels in the blood, urine, or body tissues of some people with cancer.