1. Scenario: 2022
Mammogram-2.5cm mass RUOQ
Needle bx breast- .07cm core needle biopsy +Invasive Ductal Carcinoma
Neoadjuvant-Chemotherapy
Lumpectomy- No residual tumor
Question: If you abstract for a SEER State or a state that requires this field how would you code the field Tumor Size-Pathologic (NAACR Item #754)?
• 000 No mass/tumor found
• 999 Unknown; size not stated
• 025
• 007
Answer: 000 No mass/tumor found
SEER Program Coding and Staging Manual 2022
20. Assign code 000 when a. No residual tumor is found i. Neoadjuvant therapy has been administered and the resection shows no residual tumor
- Tumor Size-Clinical 025 per SEER
- Tumor Size-Pathologic 000 per SEER
- Tumor Size Summary-025 per STORE
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2. Scenario: 2022
Mammogram-2.5cm mass RUOQ
Needle bx breast- .07cm core needle biopsy +Invasive Ductal Carcinoma
Neoadjuvant-Chemotherapy
Lumpectomy- 1.7cm residual tumor
Question: If you abstract for a SEER State or a state that requires this field how would you code the field Tumor Size-Pathologic (NAACR Item #754)?
• 000 No mass/tumor found
• 999 Unknown; size not stated
• 025
• 007
• 017
Answer: 999 Unknown; size not stated
SEER Program Coding and Staging Manual 2022
Assign code 999 when
e. Neoadjuvant therapy has been administered. Do not use a post-neoadjuvant size to code
- Tumor Size-Clinical 025 per SEER
- Tumor Size-Pathologic 999 per SEER
- Tumor Size Summary-025 per STORE