PD‐L1 Tumour‐Cell/Immune‐Cell Phenotype, Early Nodal Status and Serum Biomarkers in Locally Advanced Head and Neck Squamous Cell Carcinoma Receiving Neoadjuvant Therapy: A Retrospective Cohort Study With Exploratory Survival Analysis
PD‐L1 tumour‐cell (TC) and immune‐cell (IC) expression are scored separately in head and neck squamous cell carcinoma (HNSCC) but are often collapsed into a combined positive score, potentially obscuring distinct patterns. In this retrospective, single‐centre cohort of 61 patients with locally advanced, hypopharynx‐pre...