Data Last Updated: June 9, 2025

NAACCR Item #3921: Residual Tumor Volume Post Cytoreduction

Item # Length Source of Standard Section Name Year Implemented Version Implemented XML NAACCR ID Parent XML Element
3921 2 NAACCR Stage/Prognostic Factors 2018 18 residualTumVolPostCytoreduction Tumor
Required Status:

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

Description
Gross residual tumor after primary cytoreductive surgery is a prognostic factor for ovarian cancer and residual tumor volume after cytoreductive surgery is a prognostic factor for late stage ovarian cancers.
Rationale
Residual Tumor Volume Post Cytoreduction is a Registry Data Collection Variable listed in AJCC. It was previously collected as Ovary, CS SSF # 3.
Allowable Values
00, 50, 60, 70, 80, 97-99
Codes
Code Description
00 No gross residual tumor nodules
50 Residual tumor nodule(s) 1 centimeter (cm) or less
60 Residual tumor nodule(s) greater than 1 cm
70 Macroscopic residual tumor nodule(s), size not stated
80 Procedure described as optimal debulking and size of residual tumor nodule(s) not given
97 No cytoreductive surgery performed
98 Not applicable: Information not collected for this case (If this item is required by your standard setter, use of code 98 will result in an edit error.)
99 Not documented in medical record Residual tumor status after cytoreductive surgery 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.