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What is cancer? It is uncontrolled multiplication of abnormal cells.

Cancerous cells and tissues have abnormal growth rates, shapes and sizes and functioning.Cancer may progress from a localized tumor(confined to the site of origin) to direct extension(spread into nearby tissue or lymph nodes) and metastasize. This malignant growth pattern distinguishes cancerous tumors from non-cancerous tumors.

There are many types of cancerous tumors that may be found in the human body. Cancerous tumors that are found in men alone will now be emphasized.

These include:


What is bladder cancer? This is a malignant tumor of the bladder.

The most significant risk factor associated with bladder cancer is smoking. Exposure to chemicals called arylamines, which are used in the leather, rubber, printing and textiles industries, is another risk factor. Most bladder cancers are diagnosed after the age of 60; men are affected more than women. Symptoms include blood in the urine, difficulty urinating, excessive urination, or more rarely, painful urination. Bladder cancer can be treated with surgery, radiation therapy, or chemotherapy.

Bladder Cancer is the 4th leading cause of new cancer in men in the U.S., with 39,500 new cases this year.
Only Prostate, Lung and Colon & Rectum are more prevalent.
People diagnosed per year: 55,000 (accounts for 4% all newly diagnosed carcinomas)
Deaths secondary to bladder cancer per year: 11,700 (accounts for 4% of all cancer deaths)

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What is colorectal cancer? It is a malignant tumor of the large intestine (colon) or rectum.

Risk factors include age (after 50), family history of colorectal cancer, chronic inflammatory bowel diseases, benign polyps, physical inactivity and a diet high in fat. Many of the symptoms are associated with abnormal digestion and elimination. Colorectal cancer is treated by surgery, chemotherapy, or radiation therapy.

A picture of the location of the intestines, where the colon is situated.

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What is laryngeal cancer? It is a malignant tumor of the larynx.

The larynx is affected by both benign and malignant tumors. Squamous-cell carcinoma, the most common laryngeal malignancy is associated with smoking and alcohol consumption; it is more common in men. Prolonged hoarseness without pain is the major symptom and should always be investigated. Radiation therapy or surgery may be used to treat tumors.


What is pancreatic tumor? It is a malignant tumor of the pancreas

Risk factors include smoking, a diet high in fat, exposure to certain industrial products, and diseases such as diabetes and chronic pancreatitis. Pancreatic cancer is more common in men. Symptoms often do not appear until pancreatic cancer is in the advanced stage; they include abdominal pain, unexplained weight loss, and difficulty digesting foods. Surgery, radiation therapy, chemotherapy, or some combination of these may be used to treat the disease.

A picture of where the pancreas is situated.


What is prostate cancer? It is a malignant tumor of the prostate gland.

Prostate cancer commonly occurs in men over age 50. In North America the disease in twice as common in black men as it is in whites. Symptoms include frequent or painful urination, blood in the urine, sexual dysfunction.

A picture of a testicle


What is stomach cancer? It is a malignant tumor of the stomach.

The main risk factors include a diet high in salted, smoked, or pickled foods, Helicobacter pylori infection, tobacco and alcohol use, age (over age 60), and a family history of stomach cancer. Males develop stomach cancer at approximately twice the rate as females. Symptoms may be abdominal pain or swelling, unexplained weight loss, vomiting, and poor digestion. Surgery is the only method for treating stomach cancer, although radiation therapy or chemotherapy may be used in conjunction with surgery to relieve symptoms.

A picture of the location of the stomach