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Cancers that are known collectively as head and neck cancers usually begin in the squamous cells that line the moist, mucosal surfaces inside the head and neck (for example, inside the mouth, the nose, and the throat). These squamous cell cancers are often referred to as squamous cell carcinomas of the head and neck. Head and neck cancers can also begin in the salivary glands, but salivary gland cancers are relatively uncommon. Salivary glands contain many different types of cells that can become cancerous, so there are many different types of salivary gland cancer. Cancers of the head and neck are further categorized by the area of the head or neck in which they begin. These areas are described below:- 1. Oral Cavity: Includes the lips, the front two-thirds of the tongue, the gums, the lining inside the cheeks and lips, the floor (bottom) of the mouth under the tongue, the hard palate (bony top of the mouth), and the small area of the gum behind the wisdom teeth. 2. Pharynx: The pharynx (throat) is a hollow tube about 5 inches long that starts behind the nose and leads to the esophagus. It has three parts: the nasopharynx (the upper part of the pharynx, behind the nose); the oropharynx (the middle part of the pharynx, including the soft palate [the back of the mouth], the base of the tongue, and the tonsils); the hypopharynx (the lower part of the pharynx). 3. Larynx: The larynx, also called the voicebox, is a short passageway formed by cartilage just below the pharynx in the neck. The larynx contains the vocal cords. It also has a small piece of tissue, called the epiglottis, which moves to cover the larynx to prevent food from entering the air passages. 4. Paranasal sinuses and nasal cavity: The paranasal sinuses are small hollow spaces in the bones of the head surrounding the nose. The nasal cavity is the hollow space inside the nose. 5. Salivary glands: The major salivary glands are in the floor of the mouth and near the jawbone. The salivary glands produce saliva.

Prostate cancer is the most common type of cancer found in men and usually begins without symptoms. The chances of surviving prostate cancer are greatly improved with early detection and treatment. At UCLA we offer the entire spectrum of treatment options including, but not limited to, nerve-sparing radical prostatectomy, robotically-assisted laparoscopic prostatectomy, laparoscopic prostatectomy, brachytherapy, cryotherapy and active surveillance, as well as offering Targeted Prostate Biopsy using MR-Ultrasound Fusion to diagnose prostate cancer. Almost all prostate cancers are adenocarcinomas. These cancers develop from the gland cells (the cells that make the prostate fluid that is added to the semen). 1. Sarcomas 2. Small cell carcinomas 3. Neuroendocrine tumors (other than small cell carcinomas) 4. Transitional cell carcinomas These other types of prostate cancer are rare. If you have prostate cancer it is almost certain to be an adenocarcinoma. Some prostate cancers can grow and spread quickly, but most grow slowly. In fact, autopsy studies show that many older men (and even some younger men) who died of other causes also had prostate cancer that never affected them during their lives. In many cases neither they nor their doctors even knew they had it.