1022-1023 / 3107
Lung cancer
III – N site
o
On CT you can measure size not see pathology
o
30% nodes < 1 cm
o
PET improves sensitivity and specificity
o
Interobservervariation
o
PET
o
iv. Contrast
Steenbakkers
,
Rad Onc 2005
o
Extracapsular extension (ECE) measured
o
8 mm cover 95% ECE
2015/may/29
Yuan, IJROBP, 2007