MSH: A malignant neoplasm made up of epithelial cells tending to infiltrate the surrounding tissues and give rise to metastases. It is a histological type of neoplasm but is often wrongly used as a synonym for "cancer." (From Dorland, 27th ed),CSP: malignant new growth arising from epithelial cells tending to infiltrate the surrounding tissues and give rise to metastases.,NCI: Cancer that begins in the skin or in tissues that line or cover internal organs.,CHV: type of cancer,CHV: type of cancer,CHV: type of cancer,CHV: type of cancer,NCI: A malignant epithelial neoplasm.,NCI: A malignant tumor arising from epithelial cells. Carcinomas that arise from glandular epithelium are called adenocarcinomas, those that arise from squamous epithelium are called squamous cell carcinomas, and those that arise from transitional epithelium are called transitional cell carcinomas. Morphologically, the malignant epithelial cells may display abnormal mitotic figures, anaplasia, and necrosis. Carcinomas are graded by the degre