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Objectives
To analyze CD8+ and FoxP3+ T‐cell cellular density (CD) and intercellular distances (ID) in head and neck squamous cell carcinoma (HNSCC) samples from a neoadjuvant trial of durvalumab +/− metformin.
Methods
Paired pre‐ and post‐treatment primary HNSCC tumor samples were stained for CD8+ and FoxP3+. Digital image analysis was used to determine estimated mean CD8+ and FoxP3+ CDs and CD8+‐FoxP3+...