Recurrent Neck Squamous Cell Carcinoma of Unknown Primary

**Semantic type:** Neoplastic Process

**Definition:** The reemergence of metastatic squamous cell carcinoma of unknown primary in the neck region after a period of remission.

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