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Hypopharyngeal subsites

The hypopharynx is divided into three subsides for the purposes of staging (see hypopharyngeal SCC staging). Unlike staging of laryngeal SCC however, the T (tumour) staging is no subsite dependent.

The hypopharyngeal subsites are:

  1. posterior wall
  2. post cricoid/pharyngo-oesophageal junction
  3. pirform sinus

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Head and neck anatomy

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