Pediatric Primary Tumor

Notes

**Note 1:** Evaluation of primary tumor is based on several factors * Surgically resected WITH or WITHOUT neoadjuvant therapy and tumor(s) confined to the liver with **negative/unknown** margins - One lobe involved (see code 150) - More than one lobe involved (see code 250) * Surgically resected WITH or WITHOUT neoadjuvant therapy and tumor(s) confined to the liver with **positive** margins (codes 175 and 275) - One lobe involved (see code 175) - More than one lobe involved (see code 275) * Partial surgical resection WITH or WITHOUT neoadjuvant therapy, or unresectable and tumor(s) confined to the liver (code 350) **Note 2:** See Pediatric Mets for involvement of adjacent structures, along with metastatic disease

Default

999

NAACCR Item

NAACCR #1136
Code Description
150 PATHOLOGICAL ASSESSMENT ONLY Tumor confined to the liver WITH or WITHOUT vascular invasion and NEGATIVE/UNKNOWN surgical margins * Complete resection of the tumor(s) * Single lesion (one lobe) * Multiple (satellite) nodules/tumors confined to one lobe * Confined to liver, NOS * Localized, NOS
175 Code 150 with positive surgical margins
250 PATHOLOGICAL ASSESSMENT ONLY Tumor confined to the liver WITH or WITHOUT vascular invasion * Complete resection of the tumor(s) * More than one lobe involved by contiguous growth (single lesion) * Multiple (satellite) nodules/tumors in more than one lobe of liver or on surface of parenchyma
275 Code 250 with positive surgical margins
350 Tumor confined to the liver WITH or WITHOUT vascular invasion * Incomplete resection done or no surgical resection performed * Determined to be unresectable * Presses onto vital tissues in the liver
800 No evidence of primary tumor
999 Unknown; extension not stated Primary tumor cannot be assessed Not documented in medical record Death Certificate Only