Collaborative Stage Data Set - Revised 11/04/2010 FINAL

Liver

CS Tumor Size/Ext Eval

CodeDescriptionStaging Basis
0Does not meet criteria for AJCC pathologic staging:

No surgical resection done.  Evaluation based on physical examination, imaging examination, or other non-invasive clinical evidence.  No autopsy evidence used.
c
1Meets criteria for AJCC pathologic staging:

No surgical resection done.  Evaluation based on endoscopic examination, diagnostic biopsy, including fine needle aspiration biopsy, or other invasive techniques including surgical observation without biopsy.  No autopsy evidence used.
p
2Meets criteria for AJCC pathologic staging:

No surgical resection done, but evidence derived from autopsy (tumor was suspected or diagnosed prior to autopsy)
p
3Meets criteria for AJCC pathologic staging:

Surgical resection performed WITHOUT pre-surgical systemic treatment or radiation OR surgical resection performed, unknown if pre-surgical systemic treatment or radiation performed.  Evidence acquired before treatment, supplemented or modified by the additional evidence acquired during and from surgery, particularly from pathologic examination of the resected specimen.
p
5Does not meet criteria for AJCC y-pathologic (yp) staging:

Surgical resection performed AFTER neoadjuvant therapy and tumor size/extension based on clinical evidence, unless the pathologic evidence at surgery (AFTER neoadjuvant) is more extensive (see code 6).
c
6Meets criteria for AJCC y-pathologic (yp) staging:

Surgical resection performed AFTER neoadjuvant therapy AND tumor size/extension based on pathologic evidence,  because pathologic evidence at surgery is more extensive than clinical evidence before treatment.
yp
8Meets criteria for autopsy (a) staging:

Evidence from autopsy only (tumor was unsuspected or undiagnosed prior to autopsy)
a
9Unknown if surgical resection done
Not assessed; cannot be assessed
Unknown if assessed
Not documented in patient record
c


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