Item #	Length	Source of Standard	Year Implemented	Version Implemented	Year Retired	Version Retired
3935	1	NAACCR	2018	18

NAACCR XML: Tumor.tumorGrowthPattern

Description

Tumor Growth Pattern refers to the growth pattern of intrahepatic cholangiocarcinoma.

Rationale

Tumor Growth Pattern is a Registry Data Collection Variable in AJCC. This data item was previously collected for Intrahepatic Bile Duct, SSF# 10.

Codes

1	Mass-forming
2	Periductal infiltrating
3	Mixed mass-forming and periductal infiltrating
8	Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 8 may result in an edit error.)
9	Not documented in medical record Radiology and/or pathology report does not mention tumor growth pattern Cannot be determined by the pathologist Tumor growth pattern not assessed or unknown if assessed

Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.