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).
Other Screening Tests. Alpha-fetoprotein blood test. This test is sometimes used, along with ultrasound of the liver, to try to detect liver cancer early in people at high risk of the disease. For more information, see the PDQÂ® Liver (Hepatocelluar) Cancer Screening summary. Breast MRI.