SEER Program Coding and Staging Manual 2025 - Summary of Changes, January 2025 Update

Primary Site See the Breast Solid Tumor Rules Equivalent Terms and Definitions for a list of terms used to describe location and their corresponding ICD-O-3 topography codes.

Acknowledgements On behalf of the NCI SEER Program, the authors would like to express sincere gratitude to cancer registrars and their colleagues for their ongoing dedication and …

Reportability As of cases diagnosed January 1, 2021, early or evolving melanoma of any type is reportable. This includes both invasive and in situ melanomas; early or evolving are reportable.

Non-Reportable Examples As referenced in the Reportability instructions of the 2025 SEER Program Coding and Staging Manual

SEER Data: Quality and Timeliness Data quality is an important part of keeping data consistent and a reliable source for cancer statistics

The submission of the Attachment A form via email is sufficient as contractors also upload the data to the portal.

Updates on SEER Race Recode and Population Data – Mandi Yu, PhD

national leadership in the science of cancer surveillance as well as analytical tools and methodological expertise in collecting, analyzing, interpreting, and disseminating reliable …

NCI SEER gratefully acknowledges the dedicated work of Lois Dickie, ODS-C, Dr. Charles Platz and Carol Johnson, BS, CTR, who were all involved with the project since the inception of the …