710 / 1481
4)
CTV
FOR INTACT CARCINOMA OF THE CERVIX
•
Combination of macroscopic tumor
(primary and lymph node
metastases) and a large elective area
(uterus, parametria, vagina,
lympatics)
•
Internal motion of primary tumor
and organs at risk
•
Tumor regression during treatment
•
Large difference between tolerance
dose to organs at risk (small bowel)
and required dose to GTV