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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]
His contemporary Nicolaes Tulp believed that cancer was a poison that slowly spreads, and concluded that it was contagious. [6] In the 1600s, cancer was vulgarly called "the wolf[e]". [7] The first cause of cancer was identified by British surgeon Percivall Pott, who discovered in 1775 that cancer of the scrotum was a common disease among ...
For instance, breast cancer cells look the same whether they are found in the breast or have spread to another part of the body. So, if a tissue sample taken from a tumor in the lung contains cells that look like breast cells, the doctor determines that the lung tumor is a secondary tumor.
Scientists suggest the findings could one day allow doctors to use a blood test to predict how a patient’s cancer may progress. Genetic clues reveal how cancer might grow and spread – study ...
Cancer cells are cells that divide continually, forming solid tumors or flooding the blood or lymph with abnormal cells. Cell division is a normal process used by the body for growth and repair. A parent cell divides to form two daughter cells, and these daughter cells are used to build new tissue or to replace cells that have died because of ...
This change enables cancer cells to detach from the primary tumor, invade surrounding tissues, and ultimately spread to distant locations in the body by entering the bloodstream or lymphatic pathways. [16] Cancer cells undergo several changes that enable them to invade surrounding tissues.
Shannen Doherty's eight-year cancer battle has progressed, but she's not giving up the fight. The 52-year-old Beverly Hills 90210 alum reveals to People that her cancer has spread to her bones."I ...
Woman who woke up itching all over her body was diagnosed with pancreatic cancer. Find out why itchy skin can be a symptom of the disease. ... She was eventually diagnosed with stage 4 pancreatic ...