Course book Advanced Treatment Planning 2018
ATP: rectum summary
Parallel
Rectum from anal verge to the turn into sigmoid colon
• Mean Dose
Dose (Gy), or dose/volume parameters
• V[Gy] Dose
Outcome
V V V V V
< 50% < 35% < 25% < 20% < 20%
50
60
• D[cc/%] Volume
<10%
65
70
75
Grade 3 or worse late toxicity
• Maximum Dose
Serial
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