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Registry Operations

Reporting Guidelines

  • SEER Program Coding Manual
  • Hematopoietic Project
  • Solid Tumor Rules
More Reporting Guidelines

Tools & Software

  • SEER*Rx - Drug Database
  • SEER Data Management System (SEER*DMS)
More Tools & Software

SEER Inquiry System

Searchable collection of coding and abstracting questions and answers.

Ask a SEER Registrar

Submit a question about SEER cancer registrar materials.

Data Collection Answers

Clarifications to existing and historical coding rules.

Cancer PathCHART - Tumor Site-Histology Surveillance Standards Initiative

Cancer Pathology Coding Histology And Registration Terminology (Cancer PathCHART) is a first-of-its-kind initiative in North America and around the world to update standards for tumor site, histology, and behavior code combinations and associated terminology. 

Go to Cancer PathCHART

Staging

  • Registrar Staging Assistant
  • Summary Stage 2018
  • Extent of Disease 2018
More Staging Resources

Training

  • Becoming a Cancer Registry Professional
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More Training Resources

Announcements

  • Released April 28, 2025
    SEER*Abs Version 2.24.2
  • Released February 2025
    2025 SEER Data Submission Requirements
  • Updated January 2025
    Extent of Disease (EOD) Manual v3.2
  • Released November 26, 2024
    2025 Hematopoietic Manual
  • Updated November 18, 2024
    Summary Stage v3.2
  • Updated November 2024
    2025 Solid Tumor Rules
  • Released October 29, 2024
    File*Pro Version 3.47
  • Released September 2024
    2025 Casefinding Lists
  • Released September 20, 2024
    Match*Pro Version 2.5.3
  • Released September 2024
    SEER Program Coding and Staging Manual 2025

Resources

  • Manual Reference Guide

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SEER is supported by the Surveillance Research Program (SRP) in NCI's Division of Cancer Control and Population Sciences (DCCPS). SRP provides national leadership in the science of cancer surveillance as well as analytical tools and methodological expertise in collecting, analyzing, interpreting, and disseminating reliable population-based statistics.

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