Table 2.

Planning aims for HR-CTV and OARs in each brachytherapy session

Treatment schedule	Dose constraint	HR-CTV D90	Rectum D2cc	Bladder D2cc	Sigmoid D2cc
1, 2	Preferable	≥7.0 Gy	<5.5 Gy	<6.5 Gy	<5.5 Gy
	limit	≥6.0 Gy	5.5–6.0 Gy	6.5–7.6 Gy	5.5–6.0 Gy
3	Preferable	≥7.0 Gy	<5.0 Gy	<6.0 Gy	<5.0 Gy
	limit	≥6.0 Gy	5.0–5.2 Gy	6.0–6.5 Gy	5.0–5.2 Gy