Flipping Book - ATP

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 T4, N+, Mx
 12 x 3.125 Gy parallel opposed fields + APPA supra clavicular
 4 x 3.125 Gy spinal cord shielding + electron fields
 isocentric technique
 2 lateral neck fields, 1 anterior field in S.C. region
 virtual simulation based on CT
Head and neck: Nasopharynx Ca. : 2D- example