Carcinoma, NOS: Diagnostic Challenges and Systemic Management
1. Introduction The diagnosis of Carcinoma, Not Otherwise Specified, represents one of the most complex and challenging scenarios in clinical oncology. This classification indicates that while the tumor has been definitively identified as a carcinoma—a malignant neoplasm originating from epithelial cells—the specific microscopic subtype or the precise anatomical organ of origin cannot be immediately ascertained … Read more