Tumor dimension‐dependent microscopic extensions of hypopharyngeal cancer: Therapeutic implications for larynx‐preserving hypopharyngectomy

Hypopharyngeal cancer (HPC) is well characterized by the early submucosal spread of cancer cells into adjacent subsites of the hypopharynx and deep tissues, advocating a wide extent of treatment. However, the microscopic extensions (ME) from gross tumors, according to the primary tumor dimensions, has not been reported in detail.

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