Neck Squamous Cell Carcinoma of Unknown Primary

**Semantic type:** Neoplastic Process

**Definition:** A squamous cell carcinoma that has metastasized to the neck lymph nodes from an unknown primary anatomic site.

**Synonyms:** - Epidermoid Carcinoma Metastatic to the Neck with Occult Primary - Head and Neck Squamous Cell Carcinoma of Unknown Primary - Neck CUP - Neck Carcinoma of Unknown Primary - Neck Squamous Cell CUP - Squamous Cell Cancer Metastatic to the Neck with Occult Primary - Squamous Cell Carcinoma Metastatic in the Neck with Occult Primary - Squamous Cell Carcinoma Metastatic to the Neck with Occult Primary