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Dosimetry by tumour location: (a) dose covering 95% of the volume (D95%) of the gross tumour volume (GTV), clinical target volume (CTV)1 and CTV2; (b) the minimum dose received by the most exposed 2 cc volume of the organ (D2 cc) of the stomach, first and second portions of the duodenum (D1–D2) and third and fourth portions of the duodenum (D3–D4) averaged over the patients. RBE, relative biological effectiveness.
