NCIthesaurus squamous cell carcinoma papillary squamous carcinoma NCI:C4102 DOID:4385 SNOMEDCT_US_2025_09_01:39056008 disease_ontology UMLS_CUI:C0334244 A squamous cell carcinoma that has papillae, which are characterized either by narrow fibrovascular cores that superficially resemble papillary carcinoma of the urinary tract or by broad cores that contain edematous fibrous stroma with prominent capillaries and stromal inflammation. papillary epidermoid carcinoma