Physics Athens 2016

IMRT – Why? The biological argument, dose escalation …

Probability of Tumor Control (TCP)

1.0

Probability of Normal Tissue Damage (NTCP)

Therapeutic Effect (B)

“Increased conformity keeps high dose levels away from OAR”

Therapeutic Effect (A)

Respons

MAX. TOXICITY LEVEL

0

A B

Target Dose (Gy)