Breast Neuroendocrine Tumor G1

**Semantic type:** Neoplastic Process

**Definition:** A well-differentiated, low-grade neuroendocrine neoplasm arising from the breast.

**Synonyms:** - Breast Carcinoid Tumor - Carcinoid Tumor of Breast - Primary Breast Carcinoid Tumor - Primary Carcinoid Tumor of Breast - Primary Carcinoid Tumor of the Breast