Sunday, 21 August 2016


Vx is the volume of the organ or target receiving x Gy [1], or the volume covered by the isodose of x% [2].
Bibliographic references:
[1] Lu JY, Lin Z, Zheng J, et al. Dosimetric evaluation of a simple planning method for improving intensity-modulated radiotherapy for stage III lung cancer. Sci Rep. 2016 Mar 24;6:23543. Available at:
[2] Zhang T, Liang ZW, Han J, et al. Double-arc volumetric modulated therapy improves dose distribution compared to static gantry IMRT and 3D conformal radiotherapy for adjuvant therapy of gastric cancer. Radiat Oncol. 2015 May 19;10:114. Available at: