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GTV Definition : Positive nodes
Lymphangiogram
CT
Positive node ≥ 1 cm
MRI
Positive node ≥ 1 cm
sensitivity
specificity
sensitivity
specificity
sensitivity
specificity
29-78%
62-98%
24-80%
78-93%
24-75%
88-100%
NEEDS FOR IMPROVEMENT
Node sampling by laparoscopy in non bulky Stage I and II
Enhanced contrast dynamic MRI, specific contrast agents for
detection of occult metastasis
PET-CT