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While these symptoms may indicate cancer, they can also have other causes. [1] Over 100 types of cancers affect humans. [7] Tobacco use is the cause of about 22% of cancer deaths. [2] Another 10% are due to obesity, poor diet, lack of physical activity or excessive alcohol consumption.
Adolescents and young adults with rhabdomyosarcoma have a much lower survival rate at 5 years than children, 27% compared with 61%. [ 15 ] A stronger understanding of the different biologic and genomic processes seen in some adolescent and young adult cancers will help to develop new and better treatments for these cancers.
In many developing countries cancer incidence, insofar as this can be measured, appears much lower, most likely because of the higher death rates due to infectious disease or injury. With the increased control over malaria and tuberculosis in some Third World countries, incidence of cancer is expected to rise.
A Dread Disease: Cancer in Modern American Culture (1987) Review of this book. Rather, L. J. The genesis of cancer : a study in the history of ideas (1978), theories about the disease down to 1890s. online; Sudhakar, Akulapalli. "History of cancer, ancient and modern treatment methods." Cancer Science & Therapy 1.02 (2009) online
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process. [5]
They account for less than 1% of all new cancer cases each year. [21] In 2023, about 14,300 new cases were diagnosed in the United States. [21] Soft-tissue sarcomas are more commonly found in older patients (>50 years old), although in children and adolescents under age 20, certain histologies are common (rhabdomyosarcoma, synovial sarcoma). [13]
Small cell lung cancer has a five-year survival rate of 4% according to Cancer Centers of America's Website. [5] The American Cancer Society reports 5-year relative survival rates of over 70% for women with stage 0-III breast cancer with a 5-year relative survival rate close to 100% for women with stage 0 or stage I breast cancer. The 5-year ...
There are a few possible causes of resistance in cancer, one of which is the presence of small pumps on the surface of cancer cells that actively move chemotherapy from inside the cell to the outside. Cancer cells produce high amounts of these pumps, known as p-glycoprotein, in order to protect themselves from chemotherapeutics. Research on p ...