1516-1517 / 2953
Dose effect……
• Cervical ca (21 observers 2 cases):
• No plans achieved GSPTV V95%>95%
• V95%>90% not achieved in 29% and 36%
• V95%>80% not achieved in 2 of both cases
• Mean GSPTV V95%:85.9%/87.9% (range 70-95%)
• Rectal ca (4 observers, 10 cases)
• Mean V95% to target PTV with IMRT was 86.5%
• 3D-CRT maintained V95% at 93.7%
• mean V95% improved to 94.5% with guidelines
Lobefalo Radiat Oncol 2013;8:176