Symptoms of throat cancer

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The term cancer is very broad and covers many different illnesses including:

Carcinoma (arising from epithelial cells)
Bladder carcinoma
Breast cancer
Cervical cancer
Colorectal cancer (includes colon, rectum, anus, and appendix)
Esophageal cancer
Endometrial cancer (uterus)
Hepatocellular carcinoma (liver)
Laryngeal cancer
Lung cancer
Oral cancer
Ovarian cancer
Pancreatic cancer
Prostate cancer
Renal cell carcinoma (kidney)
Skin cancer
Stomach cancer
Testicular cancer
Thyroid cancer
Sarcoma (arising from connective tissue and related)
Gastrointestinal stromal cell tumor (GIST)
Rhabdomyosarcoma (muscle)
Osteosarcoma (bone)
Hematological malignancies (blood and bone marrow)
Leukemia
Lymphomas
Hodgkin's disease
Non-Hodgkin's lymphoma
Multiple myeloma
Miscellaneous
Brain tumor
Melanoma, Moles and dysplastic nevi
Teratoma

Malignant tumors such as carcinoma or sarcoma, lymphoma or leukemia originate from a cell or a group of cells in a multicellular organism that has several distinct properties:

evading apoptosis
Unlimited Growth Potential
self-sufficiency of growth factors
insensitivity to anti-growth factors
increased cell division rate
altered differentiation (specialization) ability
no ability for contact inhibition
ability to invade neighbouring tissue
ability to build metastases
ability to promote blood vessel growth (angiogenesis)

A cell that degenerates into a tumor cell does usually not acquire all these properties at once, but its daughter cells are selected to build them. This process is called cellular evolution. A first step in the development of a tumor cell is usually a small change in the DNA, often a point mutation, which leads, among other things, to a genetic instability of the cell. The instability increases to a point where the cell loses whole chromosomes, or has double ones. Also, the DNA methylation pattern of the cell changes, activating and deactivating genes more or less at random. Cells that divide at a high rate, such as stem cells, show a higher risk of becoming tumor cells than those which divide less or not at all, for example neurons. If the initial tumor cell (or group of tumor cells) is not removed by the immune system, it will develop into cancer.

Hologuides: Cancer
Information about various tumors in a links format.
Untangling The Web
Provides access to disability resources including those needed for cancer care support.
HCA Cancer Guides
General information including treatment options.
Shirley's Wellness Cafe
Promotes holistic and alternative approaches for cancer prevention and treatment.
Cancer Advice UK
Advice and information about diagnosis and treatment issues. Includes leaflets, book suggestions, links and support groups.

Symptoms of throat cancer