Abstract
To the Editor: The ear and lip have historically been considered anatomic sites at high risk for metastasis of cutaneous squamous cell carcinoma (cSCC). Although the Eighth Edition of the American Joint Committee on Cancer Staging (AJCC) for cSCC does not segregate risk by anatomic location,1 current National Comprehensive Cancer Network (NCCN) guidelines include the lip and ear among “high-risk regions” and the scalp among “moderate-risk regions,”2 implying a lower metastatic risk for cSCC on the scalp vs on the lip or ear.
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