What is Cancer? Cancer is a renegade system of growth that
originates within a patient's biosystem, more commonly known as
the human body. There are many different types of cancers, but
all share one hallmark characteristic: unchecked growth that
progresses toward limitless expansion. It is difficult to
imagine anyone who has not heard of this illness. Most people
have been affected because either they or their loved ones or
friends are cancer survivors. Because cancer is so prevalent,
people have many questions about its biology, detection,
diagnosis, possible causes, and strategies for prevention.
Different Kinds of Cancer Cancer can originate almost anywhere
in the body.Carcinomas, the most common types of cancer, arise
from the cells that cover external and internal body surfaces.
Lung, breast, and colon are the most frequent cancers of this
type in the United States. Sarcomas are cancers arising from
cells found in the supporting tissues of the body such as bone,
cartilage, fat, connective tissue, and mu