Setup uncertainties and the optimal imaging schedule in the prone position whole breast radiotherapy

Radiation Oncology

Table 3 Mean dose comparisons of the organs at risk- WIG、NIG、3 + WIG vs DIG

	DIG	WIG	Change	p	NIG	Change	p	3 + WIG	Change	p
V5-Lung(%) (20 patients)	0.45±	0.68±	51.1%	< 0.05	0.77±	71.1%	< 0.05	0.46±	2.2%	NS
V5-Lung(%) (20 patients)	1.13	1.28	51.1%	< 0.05	1.34	71.1%	< 0.05	1.06	2.2%	NS
Heart-mean (cGy) (11 left breasts)	85.71±	117.11±	36.6%	NS	123.46±	44.0%	NS	88.52±	3.3%	NS
Heart-mean (cGy) (11 left breasts)	44.1	84.35	36.6%	NS	91.64	44.0%	NS	47.18	3.3%	NS
LAD-mean (cGy) (11 left breasts)	488.13±	651.21±	33.4%	NS	711.98±	45.9%	NS	515.03±	5.5%	NS
LAD-mean (cGy) (11 left breasts)	478.78	668.78	33.4%	NS	739.84	45.9%	NS	505.05	5.5%	NS
LAD-max (cGy) (11 left breasts)	1437.52±	1665.75±	15.9%	< 0.05	1717.79±	19.5%	< 0.05	1352.44±	−5.9%	NS
LAD-max (cGy) (11 left breasts)	1290.6	1328.4	15.9%	< 0.05	1339.1	19.5%	< 0.05	1173.77	−5.9%	NS

ISSN: 1748-717X