HES: Cancer Chapter 12

-it is the second most common cause of death - it is the abnormal uncontrolled growth of cells - a tumor is a mass of tissue that serves no physiological purpose

Tumor is cancerous and capable of spreading (neoplasm)

Tumor are cells that are enclosed, preventing them from spreading to other tissues

Spread of cancer cells from one part of the body to another

-blood vessels -lymphatic system

Secondary tumors or metastases

- lung cancer - colonand rectal cancer -breast cancer -prostate cancer

See picture

- lung cancer is the most common cause of cancer death in the united states - chief risk factor is smoking -160,000 deaths a year -symptoms do not usually appear until after the disease has advanced to the invasive stage -treatment involves a combination of surgery radiation, and chemotherapy

-also known as colorectal cancer, is the second leading cancer death cause - age and lifestyle are risk factors -Polyps, which are small growths develop and cause bleeding from the rectum which is a strong warning sign -surgery is the prime method of treatment

- most common cancer in women, effects both men and women however

-early onset menstruation -having no children or having the first one after 30 - currently using HRT (hormone replacement therapy) -obesity -alcohol consumption

-prevention involves lifestyle modification -detection: mammograms, clinical breast exams, self breast exams -treatment:surgery, chemotherapy, or radiation treatment

The most common cancer in men and second to long cancer in the number of cancer deaths among men

- age -african american ethnicity -heredity -lifestyle factors