Carcinoma is a term used to describe a cancer that starts in the lining layer (epithelial cells) of organs like the breast. Nearly all breast cancers are carcinomas. Most are the type of carcinoma that starts in glandular tissue called adenocarcinoma.
Quality assurance is the overall program, put in place to ensure that a comprehensive range of quality control activities work effectively, while quality control the means by which, each area of interest is monitored and evaluated.
