Terminology Service for NFDI4Health
A pathologic primary tumor stage for colon and rectum according to AJCC 7th edition indicating that the tumor perforates visceral peritoneum.
Instance info
definition source
https://staging.seer.cancer.gov/tnm/input/1.0/colon/path_t/
editor preferred term
pT4a (colon)
has curation status
http://purl.obolibrary.org/obo/IAO_0000120
ontology term requester
NCI BBRB
term editor
Chris Stoeckert, Helena Ellis