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1 day ago · 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] .
4 days ago · Malignant Tumors and Other Malignant Neoplasms . A malignant neoplasm is a cancerous growth. It is most often associated with damage to a cell's DNA. This damage results in genetic mutations that cause abnormal cells to lose their normal function. These cells multiply faster, live longer, and invade other cells and tissue.
Jul 3, 2024 · What is cancer? Cancer starts in cells. Cells are tiny building blocks that make up the body’s organs and tissues. Usually, these cells divide to make new cells in a controlled way. This is how our bodies grow, heal and repair. Sometimes, this goes wrong and the cell becomes abnormal.
Jul 9, 2024 · Cancer - Tumor Effects, Symptoms, Treatment: The signs and symptoms of benign or malignant tumours result for the most part from the local effects of either the primary tumour or its metastases.
3 days ago · Carcinogenesis, also called oncogenesis or tumorigenesis, is the formation of a cancer, whereby normal cells are transformed into cancer cells. The process is characterized by changes at the cellular, genetic, and epigenetic levels and abnormal cell division.
Jul 9, 2024 · Tumours, both malignant and benign, “present” (first become observable) as lumps or masses caused by the abnormal growth of cells. Many benign tumours are encased in a well-formed capsule.
Jul 5, 2024 · Leukemia, a cancer of the blood-forming tissues characterized by a large increase in the numbers of white blood cells in the circulation or bone marrow. There are different types of leukemia, which are defined as either acute or chronic and as either myelogenous or lymphocytic.
