Reply To: V16e Metafile

Reply To: V16e Metafile

Jim Hofferkamp

NPCR has posted the TNM.dll at

Below is a summary of the changes.

CDC has created software in the form of a dynamic link library (DLL) and application programming interface (API) to help cancer registries collect data on stage of disease for cancers according to the TNM system of the American Joint Committee on Cancer (AJCC). A revised API was released on June 2, 2017. The changes from the February 2017 release are—
• Additional clinical N values added to TNM Path N [NAACCR item 890] for the following schemas—
o All GISTschemas
o Corpus Uteri Carcinomas
o Bone
o Melanoma of Skin
o Soft Tissue Sarcoma
• Prostate—Derivation algorithm for NPCR Derived Path Stg Grp [NAACCR item number 3655] was revised to use the higher of the Gleason scores coded in SSF8 and SSF10.
• Derivation algorithm for NPCR Derived Clin Stg Grp [NAACCR Item Number 3650] modified to derive stage in situ for Tis N0 M0 regardless of grade code for the following schemas—
o Esophagus Squamous Cell Carcinoma
o Esophagus Adenocarcinoma
o Esophagogastric Junction Squamous Cell Carcinoma
o Esophagogastric Junction Adenocarcinoma

Content from AJCC’s Cancer Staging Manual, 7th edition, has been licensed for use in the application programming interface (API) by NPCR registries. A version without the licensed content can be downloaded from .

For access to the licensed version, or for more information, contact Joseph Rogers,

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