Invasive Breast Carcinoma of No Special Type

**Semantic type:** Neoplastic Process

**Definition:** A term that refers to a large and heterogeneous group of invasive breast carcinomas that cannot be classified morphologically as any of the special histological types. (WHO 2019)

**Synonyms:** - IBC NST - Infiltrating Ductal Adenocarcinoma - Infiltrating Ductal Breast Carcinoma - Infiltrating Ductal Carcinoma - Infiltrating Ductal Carcinoma of Breast - Infiltrating Ductal Carcinoma of the Breast - Invasive Ductal Adenocarcinoma - Invasive Ductal Breast Carcinoma - Invasive Ductal Carcinoma - Invasive Ductal Carcinoma of Breast - Invasive Ductal Carcinoma of the Breast - Invasive Ductal Carcinoma, NOS - Invasive Ductal Carcinoma, NOS - Invasive Ductal Carcinoma, NST - Invasive Ductal Carcinoma, No Specific Type - Invasive Ductal Carcinoma, Not Otherwise Specified - Invasive Ductal Carcinoma, Not Otherwise Specified - infiltrating ductal carcinoma