Cystic Duct

Primary Site Histology Schema Discriminator 1
C240 8000-8700, 8720-8790, 9700-9701 3

Notes

C240 Extrahepatic Bile Duct **Note 1:** The following sources were used in the development of this schema * SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998) (https://seer.cancer.gov/archive/manuals/EOD10Dig.3rd.pdf) * SEER Summary Staging Manual-2000: Codes and Coding Instructions (https://seer.cancer.gov/tools/ssm/) * Collaborative Stage Data Collection System, version 02.05: https://cancerstaging.org/cstage/Pages/default.aspx * Chapter 24 *Gallbladder*, in the AJCC Cancer Staging Manual, Eighth Edition (2017) published by Springer International Publishing. Used with permission of the American College of Surgeons, Chicago, Illinois. **Note 2:** *Schema Discriminator 1: BileDuctsDistal/BileDuctsPerihilar/CysticDuct* is used to discriminate between Distal Bile Duct, Perihilar Bile Duct, and Cystic Duct which are coded to ICD-O-3 codes C240.

Data Items

Name Default Value Used for Staging NAACCR Item Required By Metadata
Year of Diagnosis <BLANK> No NAACCR #390 None
Primary Site <BLANK> Yes NAACCR #400 None
Histology <BLANK> Yes NAACCR #522 None
Behavior <BLANK> No NAACCR #523 None
Schema Discriminator 1 9 Yes NAACCR #3926 All SSDI
Tumor Size Clinical <BLANK> No NAACCR #752 None
Tumor Size Pathological <BLANK> No NAACCR #754 None
Tumor Size Summary 999 No NAACCR #756 None
Regional Nodes Positive 99 Yes NAACCR #820 None
Regional Nodes Examined 99 No NAACCR #830 None
RX Summ Surgery/Radiation Sequence <BLANK> No NAACCR #1380 None
RX Summ Systemic/Surgery Sequence <BLANK> No NAACCR #1639 None
EOD Primary Tumor 999 Yes NAACCR #772 None
EOD Regional Nodes 999 Yes NAACCR #774 None
EOD Mets 00 Yes NAACCR #776 None
SS2018 <BLANK> No NAACCR #764 None
Grade Clinical 9 No NAACCR #3843 CCCR/Canada
COC
NPCR
SEER		 SSDI
Grade Pathological 9 No NAACCR #3844 CCCR/Canada
COC
NPCR
SEER		 SSDI
Grade Post Therapy <BLANK> No NAACCR #3845 CCCR/Canada
COC
NPCR
SEER		 SSDI

Initial Context

Staging Methods

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Summary Stage 2018

Start

Additional Context
ss2018_derived = 90

Next Step

  2. EOD Primary Tumor
  3. ss2018_t

Next Step

  2. EOD Regional Nodes
  3. ss2018_n

Next Step

  2. EOD Mets
  3. ss2018_m

Next Step

  2. Summary Stage
  3. ss2018_derived

End

Outputs

Name Default Value Description NAACCR Item Metadata
Schema ID 00242 NAACCR #3800
None 		None
Derived Version {{ctx_alg_version}} None None
Derived Summary Stage 2018 9 NAACCR #762
None 		None