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Table 2 Values for the a parameter used in the TCP and NTCP calculations

From: A dosimetric comparison of 3D conformal vs intensity modulated vs volumetric arc radiation therapy for muscle invasive bladder cancer

  TCD50 TD50 a γ50 α/β Reference
Bladder 59 Gy   −13 2 13 [Wright 20]
Rectal late effects   76.9 Gy 11 4 3 [Michalski 23]
Non-rectal bowel   59 Gy 11 4 3 [Kavanagh 24], [Pan 25]
Left & right femurs   65 Gy 13 2.7 3 Deb [26]