In humans, soluble wastes are excreted primarily by the urinary system and, to a lesser extent in terms of urea removed, by perspiration. The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The system produces urine by a process of filtration, reabsorption, and tubular secretion.
Other blood tests used in diagnosing liver cancer include the following: 1  Liver-function tests, such as to check your level of the liver pigment bilirubin or the liver protein albumin. 2  Coagulation panel to check for problems with blood clotting.3  Blood counts to check your levels of different types of blood cells.ther blood tests used in diagnosing liver cancer include the following: 1  Liver-function tests, such as to check your level of the liver pigment bilirubin or the liver protein albumin. 2  Coagulation panel to check for problems with blood clotting.
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.