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Tumor is also not synonymous with cancer. While cancer is by definition malignant, a tumor can be benign, precancerous, or malignant. [citation needed] The terms mass and nodule are often used synonymously with tumor. Generally speaking, however, the term tumor is used generically, without reference to the physical size of the lesion. [3]
Cancer, malignant neoplasm: Malignant tumor (right) spreads uncontrollably and invades the surrounding tissues; benign tumor (left) remains self-contained from neighbouring tissue: Specialty: Oncology: Symptoms: Fatigue, lump(s), change in skin, abnormal bleeding, prolonged cough, unexplained weight loss [1] Risk factors
Carcinoma is a malignancy that develops from epithelial cells. [1] Specifically, a carcinoma is a cancer that begins in a tissue that lines the inner or outer surfaces of the body, and that arises from cells originating in the endodermal, mesodermal [2] or ectodermal germ layer during embryogenesis.
A neoplasm or tumor is a group of cells that have undergone unregulated growth and will often form a mass or lump, but may be distributed diffusely. [27] [28] All tumor cells show the six hallmarks of cancer. These characteristics are required to produce a malignant tumor. They include: [29] Cell growth and division absent the proper signals
Hematological malignancies are malignant neoplasms ("cancer"), and they are generally treated by specialists in hematology and/or oncology. In some centers "hematology/oncology" is a single subspecialty of internal medicine while in others they are considered separate divisions (there are also surgical and radiation oncologists).
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]
The uncontrolled and often rapid proliferation of cells can lead to benign or malignant tumours (cancer). Benign tumors do not spread to other parts of the body or invade other tissues. Malignant tumors can invade other organs, spread to distant locations ( metastasis ) and become life-threatening.
A primary tumor is a tumor growing at the anatomical site where tumor progression began and proceeded to yield a cancerous mass. Most solid cancers develop at their primary site but may then go on to metastasize or spread to other parts of the body.