Epithelial Neoplasms Not Otherwise Specified: Diagnostic Challenges and Clinical Care
1. Introduction The diagnosis of an epithelial neoplasm, not otherwise specified, represents a uniquely challenging scenario in modern clinical oncology. This classification indicates that a tumor has been definitively identified as originating from epithelial cells—the tissue lining the surfaces and internal cavities of the body—but the precise specific subtype or exact anatomical origin cannot be … Read more