Figure 18

Dose volume histogram of the tumour (left) and the organs at risk (right) for case 2. The solid line is the dose distribution of the 10 cm extended collimator, and the dotted line is the dose distribution of the standard collimator.

Dose volume histogram of the tumour (left) and the organs at risk (right) for case 2. The solid line is the dose distribution of the 10 cm extended collimator, and the dotted line is the dose distribution of the standard collimator.