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 can screen for cancer in healthy people and can help diagnose cancer in those with disease symptoms. Blood tests can also be used to monitor a person's response to cancer treatments and detect tumor recurrence.Doctors look for the presence of cancer cells in the blood or tumor markers, which are substances made by a cancerous tumor.lood tests combined with other diagnostic tools are used to diagnose cancer in people with disease symptoms. CA-125 is a tumor marker that can help determine if a woman has ovarian cancer that may spread to other sites.