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SEER Inquiry System - Report
Produced: 07/20/2025 2:21 AM
Question 20210015
Inquiry Details
References:
#1: 2007 Solid Tumor Rules. 2007 General Instructions; Other Sites-For use with cases 2007-2021
#2: 2021 SEER Manual, 6. Reportability
Question:
Solid Tumor Rules (2007/2021)/Multiple Primaries--Anus: Have the disease free interval criteria been met for the following case scenario. A patient was diagnosed with anal intraepithelial neoplasia (AIN) III in 7/2018 that was treated with local tumor destruction, followed by Pap smears and biopsies that prove AIN I or AIN II through 2020, before being diagnosed with a reportable AIN II or AIN III in 2021. See Discussion.
Discussion:
Since AIN I is not reportable and AIN II is not reportable until 2021, we are not sure if we can say the patient was disease free because there was no intervening reportable tumor (AIN III), or was never disease free because there was evidence of related disease (lower grade dysplasia).
Answer:
The 2021 AIN III is not a new primary. According to our GI pathology expert, findings of AIN I and/or AIN II following a diagnosis of AIN III indicates the patient was never NED and indicates persistent disease.
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