The American Joint Committee on Cancer staging for metastatic head and neck cutaneous squamous cell carcinoma: A multi-institutional study of within-stage heterogeneity and impact on prognostic performance.
Ardalan EbrahimiPeter P LukHubert LowLachlan McDowellMatthew J R MagareyPaul N SmithDiana M PerrimanBruce ShadboltMichael VenessRuta GuptaJonathan R ClarkPublished in: Head & neck (2020)
The AJCC staging system stratifies risk poorly in HNcSCC due to significant prognostic heterogeneity within pN2a, pN3b, and stage IV groups.