Tumor Tips

Tumor Tip of the Week 02-13-2026 Corpus Uteri-SLN Biopsies

02-13-2026

Scenario: Corpus Uteri Primary-Endometrioid Carcinoma

  • Robotic-assisted laparoscopic hysterectomy, bilateral salpingo-oophorectomy 
  • Robotic-assisted laparoscopic bilateral sentinel pelvic lymph node dissection
  • Bilateral Injection of IC green dye within the cervix with bilateral sentinel lymph node mapping
  • Pathology
    • Total Number of Pelvic Nodes Examined: 2
    • Number of Pelvic Sentinel Nodes Examined: 2
    • Total Number of Para-Aortic Nodes Examined: 0
    • Number of Para-Aortic Sentinel Nodes Examined:0
    •  

Review how the following fields are coded in this scenario:

Scope of Regional LN Surgery NAACCR #1292   

2 Sentinel lymph node biopsy [only]     

STORE/ SEER

It doesn’t matter what the primary site is, if the operative report states that a SLN BX was performed, assigning the appropriate code(s) of 2, 6, or 7. 

AJCC Path N Suffix

NAACCR #1035

(sn)

STORE

It doesn’t matter what the primary site is, assign (sn) to denote a Sentinel node procedure is performed in the absence of complete dissection.

Regional Lymph Nodes Positive NAACCR #820

00

STORE/SEER

This field is used to record the exact number of regional lymph nodes examined by the pathologist and found to contain metastases.

Regional Lymph Nodes Examined

NAACCR #830

02

STORE/SEER

This field records the total number of regional lymph nodes that were removed and examined by the pathologist.

Date Regional Lymph Node Dissection

NAACCR #682

BLANK

STORE/SEER

Records the date of the non-sentinel regional node dissection was performed.  This case, only sentinel lymph nodes removed, thus this field will be left BLANK. Leave Date of Regional Lymph Node Dissection blank when only a sentinel lymph node biopsy

is performed.

Sentinel Lymph Nodes Positive

NAACCR #835                    

BLANK

STORE/SEER

This field is used to record the number of SLN positive for

for breast and cutaneous melanoma cases only.  For all other sites, leave this field BLANK.

Sentinel Lymph Nodes Examined

NAACCR #834

BLANK

STORE/SEER

This field is used to record the number of SLN examined for

for breast and cutaneous melanoma cases only.  For all other sites, leave this field BLANK.

Date of Sentinel Lymph Node Biopsy

NAACCR# 832

BLANK

STORE/SEER

This field is used to record the date of SLN biopsy for

for breast and cutaneous melanoma cases only.  For all other sites, leave this field BLANK.

 

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