NCIt definition : A malignant epithelial neoplasm characterized by a papillary growth pattern. A papillary
carcinoma may be composed of glandular cells (papillary adenocarcinoma), squamous
cells (papillary squamous cell carcinoma), or transitional cells (papillary transitional
cell carcinoma). Bladder carcinoma is a representative example of papillary transitional
cell carcinoma.;