NAACCR Item #3886: Major Vein Involvement
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired | 
|---|---|---|---|---|---|---|
| 3886 | 1 | NAACCR | 2018 | 18 | 
            NAACCR XML:
            
                
                    Tumor.majorVeinInvolvement
                
            
        
        
        Description
            Major vein involvement pertains to the invasion of the kidney tumor into major veins.
        Rationale
                Involvement of major veins for Kidney is a Registry Data Collection Variable in AJCC. It was previously collected as Kidney, CS SSF #2.
            Codes
                | 0 | Major vein involvement not present/not identified | 
| 1 | Renal vein or its segmental branches | 
| 2 | Inferior vena cava (IVC) | 
| 3 | Major vein invasion, NOS | 
| 4 | Any combination of codes 1-3 | 
| 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 Vein involvement not assessed or unknown if assessed No surgical resection of primary site is performed | 
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.