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Non-small-cell lung cancer (NSCLC), or non-small-cell lung carcinoma, is any type of epithelial lung cancer other than small-cell lung cancer (SCLC). NSCLC accounts for about 85% of all lung cancers. [1] [2] [3] As a class, NSCLCs are relatively insensitive to chemotherapy, compared to small-cell carcinoma.
In normal epithelial tissues, epithelial cells, or parenchymal cells of epithelia, are highly organized, polar cells. [5] These cells are separated from stromal cells by a basement membrane that prevents these cell populations from mixing. [5] A mixture of these cell types is recognized, normally, as a wound, as in the example of a cut to the ...
Examples of epithelial dysplasia include cervical intraepithelial neoplasia – a disorder commonly detected by an abnormal pap smear) consisting of an increased population of immature (basal-like) cells which are restricted to the mucosal surface, and have not invaded through the basement membrane to the deeper soft tissues.
"Dyskaryosis" is a term used for all squamous mucosal surfaces and commonly used for the uterine cervix condition in which some of the epithelial cells near the external orifice show abnormalities in their cellular nuclei. These changes are often quite subtle; often seen as temporary changes between the ages of fifteen and twenty-five.
LCC is categorized as a type of NSCLC (non-small-cell lung carcinoma) that originates from epithelial cells of the lung. LCLC is histologically characterized by the presence of large, undifferentiated cells that lack distinctive features of either squamous cell carcinoma or adenocarcinoma (other types of cancers).
Carcinomas are tumors composed of transformed, abnormal cells with epithelial tissue architecture and/or molecular characteristics, and which derive from embryonic endoderm. [5] Eight major taxa of lung carcinomas are recognized within the WHO-2004 classification: [1] Small-cell carcinoma; Squamous cell carcinoma; Adenocarcinoma; Large-cell ...
In the West, multiple storms will roll ashore through the end of the week, each storm increasing the risk of mudslides and flooding, AccuWeather warned. Some areas could see up to 2 feet of rain ...
For example, a lipoma is a common benign tumor of fat cells , and a chondroma is a benign tumor of cartilage-forming cells (chondrocytes). Adenomas are benign tumors of gland-forming cells, and are usually specified further by their cell or organ of origin, as in hepatic adenoma (a benign tumor of hepatocytes, or liver cells).