Data Last Updated: May 31, 2024

NAACCR Item #3929: Separate Tumor Nodules

Item # Length Source of Standard Section Name Year Implemented Version Implemented XML NAACCR ID Parent XML Element
3929 1 NAACCR Stage/Prognostic Factors 2018 18 separateTumorNodules Tumor
Required Status:

NPCR Collect: No recommendation
CoC Collect: Required, site specific
SEER Collect: Required, site specific
CCCR Collect: No recommendation

Description
"Separate tumor nodules" refers to what is conceptually a single tumor with intrapulmonary metastasis in the ipsilateral (same) lung. Their presence in the same or different lobes of lung from the primary tumor affects the T and M categories.
Rationale
This data item was previously collected for Lung, SSF# 1 and at least one standard setter is continuing to collect it.
Allowable Values
0-4, 7-9
Codes
Code Description
0 No separate tumor nodules; single tumor only Separate tumor nodules of same histologic type not identified/not present Intrapulmonary metastasis not identified/not present Multiple nodules described as multiple foci of adenocarcinoma in situ or minimally invasive adenocarcinoma
1 Separate tumor nodules of same histologic type in ipsilateral lung, same lobe
2 Separate tumor nodules of same histologic type in ipsilateral lung, different lobe
3 Separate tumor nodules of same histologic type in ipsilateral lung, same AND different lobes
4 Separate tumor nodules of same histologic type in ipsilateral lung, unknown if same or different lobe(s)
7 Multiple nodules or foci of tumor present, not classifiable based on notes 3 and 4
8 Not applicable: Information not collected for this case (If this item is required by your standard setter, use of code 8 will result in an edit error.)
9 Not documented in medical record Primary tumor is in situ Separate Tumor Nodules not assessed or unknown if assessed
Code Notes
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.