Where did cancer originate?
no answer is found yet, scientists are investigating
Doctors classify cancer types based on the tissue of origin. The two most broad classes are carcinomas and sarcomas, which originate from epithelia and mesenchyme respectively. Cancer on your finger is skin cancer, a carcinoma. There would not be much chance of anything else. Warts are the beginnings of cancer on your fingers.
There are two types of brain tumors: primary brain tumors that originate in the brain and metastatic (secondary) brain tumors that originate from cancer cells that have migrated from other parts of the body. (oncologychannel) For the source and more detailed information concerning your request, click on the related links section (Answers.com) indicated at the bottom of this answer box.
In the large air masses of the Tropics of Capricon and the Tropics of Cancer are where they're formed. You can figure this out from the name. "Maritime" refers to the ocean, and "tropical" refers to the zone around the equator between the Tropics of Capricorn and Cancer. Thus maritime tropical air masses originate over the ocean in the tropics. Similar logic works with the names of other types of air masses as well.
Daffodil Day began in Australia in 1986. It is a merchandise based fundraiser for cancer research, education and patient support. Daffodil Day is the 4th Friday in August. The target for 2013 is $8.25 million. The daffodil was choses as a symbol of hope, rebirth and new beginnings. To the Cancer Council, it represents new hope for a cancer-free future.
If cancer may originate in many regions of the body many patients die from cancerous growth in the lungs lymph glands or liver this is most readily explained as?
Up to 90% of all human cancers are circinomas, which are growths that originate in epithelium. Most carcinomas begin on surfaces that contact the external enviroment, such as skin, linings of the airways in the respiratory tract, or linings of the stomach or intestines in the digestive tract. This observation suggests that the more cancer causing agentsmay not penetrate tissues very deeply.