Signs of colon cancer

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Carcinogenesis (lit.: creation of cancer) is the process of derangement of the rate of cell division.

The field of medicine concerned with the treatment of cancer is oncology. Cancer has become an important problem with the rise in life expectancy, as the abovementioned mutations become more likely the longer a person lives. Though great progress in treatment has been made, most cancers in advanced stages remain incurable and ultimately fatal.

In cellular model systems, cells are exposed to carcinogenic influences (chemicals, radiation). In these systems, the first signs of a cell developing into a tumor cell are:

Immortality. The usual number of cell divisions for a mammalian cell is 50-60 (cell senescence), then it ceases to divide. Tumor cells keep dividing forever.
Altered morphology.
Building of cellular clusters (Foci).
Loss of contact inhibition.
Low or no need for growth factors.

Items 2-4 (above) can sometimes be traced to mutations in genes that result in a disruption of cell adhesion. Some cell adhesion proteins are oncogenes.

CancerNausea.com
Presents information to help manage nausea and vomiting caused by chemotherapy or radiation treatments.
HCA Cancer Guides
General information including treatment options.
MCW Healthlink: Cancer
Medical College of Wisconsin Physicians and Clinics resource which provides news articles and information about recent developments.
COX-2 Inhibitors: Cancer
Information about these treatment agents which is based on an educational grant from the Pharmacia company.
Chemotherapy-Induced Nausea And Vomiting
A detailed review of this subject in pdf format aimed at the professional level.

Signs of colon cancer