Papillary urothelial carcinoma is a type of cancer that develops from specialized cells lining the inside of the urinary tract. The urinary tract includes the kidneys, ureters, bladder, and urethra. Most tumours occur in the bladder, but this type of cancer can arise anywhere along the urinary tract. The tumour is called papillary because it …
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Squamous cell carcinoma of the esophagus is a type of cancer that begins in squamous cells — the flat, overlapping cells that line the inside surface of the esophagus. The esophagus is the muscular tube that carries food and liquids from the mouth to the stomach. These squamous cells form a thin protective layer called …
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Angiosarcoma is a rare and aggressive type of sarcoma — a cancer that arises from the specialized cells that line the inside of blood and lymphatic vessels. These cells are called endothelial cells. Angiosarcoma can develop in almost any part of the body, but it most commonly arises in the skin of the scalp and …
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Rhabdomyosarcoma is a type of cancer that develops from skeletal muscle tissue, the muscle responsible for voluntary movements like walking or lifting objects. This cancer most commonly affects children, but it can also be found in adults. Rhabdomyosarcoma can occur almost anywhere in the body, but it most frequently arises in areas such as the …
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A villous adenoma is a type of polyp that forms on the inner lining of the large intestine, which includes the colon and rectum. It is made up of abnormal glandular cells that grow in long, finger-like projections called villi. These polyps are considered precancerous, meaning they are not cancer, but the abnormal cells have …
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A tubulovillous adenoma is a type of polyp that develops on the inner lining of the large intestine, which includes the colon and rectum. It is composed of abnormal glandular cells that form both tube-shaped structures (known as tubular architecture) and finger-like projections (referred to as villous architecture). Tubulovillous adenomas are considered precancerous because, over …
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What is squamous cell carcinoma of the vagina? Squamous cell carcinoma is the most common type of cancer in the vagina. The tumour starts from specialized squamous cells that cover the inside surface of the vagina. What causes squamous cell carcinoma of the vagina? The most common cause of squamous cell carcinoma in the vagina …
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HPV-independent squamous cell carcinoma is a type of cancer that develops in the oropharynx — the part of the throat located behind the mouth — that is not caused by human papillomavirus (HPV). The oropharynx includes the tonsils, the base of tongue (the back one-third of the tongue), the soft palate, and the back wall …
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Osteosarcoma is a type of bone cancer and the most common type of sarcoma to start in bone. It usually affects teenagers and young adults, although it can also occur in older adults. The most common location for osteosarcoma is the long bone of the thigh, called the femur, but it can develop in any …
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A well-differentiated neuroendocrine tumour (NET) is a type of tumour that starts from specialized neuroendocrine cells in the lining of the colon or rectum. Neuroendocrine cells are found throughout the digestive tract and help regulate functions such as digestion by releasing hormones in response to nervous system signals. When these cells grow abnormally, they form …
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