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The results of this study demonstrate that patients with metastatic cutaneous SCC in both the parotid gland and neck have a significantly worse prognosis than those with disease in the parotid gland alone. Furthermore, patients with cervical nodes larger than 3 cm in diameter or with multiple positive neck nodes have a significantly worse prognosis than those with only a single positive node. Also, the extent of metastatic disease in the parotid gland correlated with the local control rate. The authors recommend that the clinical staging system for cutaneous SCC of the head and neck should separate parotid (P) and neck disease (N) and that the proposed staging system should be tested in a larger study population.

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Background The eighth international symposium for sentinel node biopsy (SNB) in head and neck cancer was held in 2018. This consensus conference aimed to deliver current multidisciplinary guidelines. This document focuses on the surgical aspects of SNB for oral cancer. Method Invited expert faculty selected topics requiring guidelines. Topics were reviewed and evidence evaluated where available. Data were presented at the consensus meeting, with live debate from panels comprising expert, nonexpert, and patient representatives followed by voting to assess the level of support for proposed recommendations. Evidence review, debate, and voting results were all considered in constructing these guidelines. Results/Conclusion A range of topics were considered, from patient selection to surgical technique and follow‐up schedule. Consensus was not achieved in all areas, highlighting potential issues that would benefit from prospective studies. Nevertheless these guidelines represent an up‐to‐date pragmatic recommendation based on current evidence and expert opinion.