Limitations of EUS for rectal cancer staging

Limitations of EUS for rectal cancer staging

  • • Invasion into the mesorectal fascia cannot be evaluated.
  • • Distinguishing peritumoral inflammation from tumor extension may be difficult.
  • • Staging stenotic rectal masses may be limited.
  • • Posttreatment staging is inaccurate.
  • • Endosonographer experience affects accuracy of staging.
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