L0_2016_Athens_Physics_Programme_V6

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PTV Planning Target Volume history

ICRU

Uncertainties

Report 29

(1978) – 2D RT

TV

Target Volume

Biological +

repositioning

Report 50

(1993) – early 3D RT

CTV

Clinical Target Volume

Biological

PTV

Repositioning

2016/Athens

PTV is a geometrical concept

Planning Target Volume

Report 62

(1999) – advanced 3D RT

CTV

Clinical Target Volume

Biological

Subclinical extension

ITV

Internal Target Volume

Organ motion

Respiration – Bowel - Bladder

PTV

Planning Target Volume

Repositioning

Set-up