Physics Bucharest 2017

Head and neck cancer (historic-conventional)

T2N2(a)M0 SCC of tonsil

– Phase 1

• POP to neck • Anterior matched field at level of hyoid with central midline shielding (spinal cord and larynx) • Avoid junction in high risk areas

– Phase 2

• POP to neck (anterior to cord) • Match posterior electrons