Dr. John H Chang M.D.

Chemotherapy as a treatment option for cancer has existed for decades, and has long been the standard of care and first line of treatment for almost all forms of cancer. The term is an umbrella term referring to the use of medicines to halt the growth of cancerous tumors and to kill off cancerous...

When it comes to cancer, the common treatments are chemotherapy and radiation therapy, which work by the use of X-rays, gamma rays, and charged particles. They are usually directed at the area where the cancer is growing. Radiation therapy is delivered through the use of machines and implants or by...

Stage 4 bladder cancer is a bladder cancer that has spread through the bladder wall. In this stage, cancer has also invaded the lymph nodes, abdominal wall, and other body organs. This type of cancer is also known as "metastatic" bladder cancer.Stage 4 bladder cancer applies to bladder cancer that...

Radiation therapy, also known as radiotherapy, is a procedure that is used mainly to treat cancer and other conditions such as thyroid disorders, non-cancerous growths, and blood disorders. Just like other types of treatment, radiotherapy often causes side effects. The side effects generally depend...

Radiation therapy is one of the major treatments for any type of cancer. It is a procedure that uses high energy particles such as gamma rays, protons, electrons, x-rays, and electron beams to destroy cancer cells. Other names for radiation therapy include x-ray therapy, radiotherapy, or...

Radiation therapy is one of the several treatment methods available for cancer. It is used to treat many different types of cancer. At least half of the patients with cancer receive radiation therapy during their cancer treatment. Radiation therapy can be used as the main treatment for your cancer...