ypT Category
|
ypT Criteria
|
---|
ypTX
|
Primary tumor cannot be assessed
|
ypT0
|
No evidence of primary tumor
|
ypTis
|
Carcinoma in situ. This includes high-grade pancreatic
intraepithelial neoplasia (PanIn-3), intraductal papillary mucinous
neoplasm with high-grade dysplasia, intraductal tubulopapillary
neoplasm with high-grade dysplasia, and mucinous cystic neoplasm
with high-grade dysplasia.
|
ypT1
|
Tumor less than or equal to 2 cm in greatest dimension
|
ypT1a
|
Tumor less than or equal to 0.5 cm in greatest dimension
|
ypT1b
|
Tumor greater than 0.5 cm and less than 1 cm in greatest dimension
|
ypT1c
|
Tumor 1-2 cm in greatest dimension
|
ypT2
|
Tumor greater than 2 cm and less than or equal to 4 cm in greatest
dimension
|
ypT3
|
Tumor greater than 4 cm in greatest dimension
|
ypT4
|
Tumor involves celiac axis, superior mesenteric artery, and /or
common hepatic artery, regardless of size
|