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Malignancy (from Latin male 'badly' and -gnus 'born') is the tendency of a medical condition to become progressively worse; the term is most familiar as a ...
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [2] [7] These contrast with benign tumors, which do not spread. [7] Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. [1]
Oncology is a branch of medicine that deals with the study, treatment, diagnosis, and prevention of cancer.A medical professional who practices oncology is an oncologist. [1]
A type of leukemia is the second most common form of cancer in infants (under the age of 12 months) and the most common form of cancer in older children. [83] Boys are somewhat more likely to develop leukemia than girls, and white American children are almost twice as likely to develop leukemia than black American children. [ 83 ]
At an early stage, colorectal cancer may be removed during a colonoscopy using one of several techniques, including endoscopic mucosal resection or endoscopic submucosal dissection. [5] Endoscopic resection is possible if there is a low possibility of lymph node metastasis and the size and location of the tumor make en bloc resection possible ...
Melanoma is the most dangerous type of skin cancer; it develops from the melanin-producing cells known as melanocytes. [1] It typically occurs in the skin, but may rarely occur in the mouth, intestines, or eye (uveal melanoma).
Globally, head and neck cancer accounts for 650,000 new cases of cancer and 330,000 deaths annually on average. In 2018, it was the seventh most common cancer worldwide, with 890,000 new cases documented and 450,000 people dying from the disease. [12] The risk of developing head and neck cancer increases with age, especially after 50 years.
Cervical cancer is the 12th-most common cancer in women in the UK (around 3,100 women were diagnosed with the disease in 2011) and accounts for 1% of cancer deaths (around 920 died in 2012). [154] With a 42% reduction from 1988 to 1997, the NHS-implemented screening programme has been highly successful, screening the highest-risk age group (25 ...