The International Academy of Pathology (IAP) is invited to review the following draft 1st edition International Collaboration on Cancer Reporting (ICCR) datasets:

• Lymphoid malignancies
• Myeloid and mixed or ambiguous lineage neoplasms
• Plasma cell neoplasms

The ICCR has been formed to develop common, internationally standardised and evidence-based cancer datasets for surgical pathology specimens. Using the best international approaches, and leveraging the knowledge and experience of world-leading pathologists, the ICCR aims to ensure that all cancer reports, will be of the same high quality; ensuring completeness, consistency, clarity, conciseness and above all, clinical utility. The ICCR has 62 published datasets to date, with a total of 118 dataset editions published including updates which are available at: http://www.iccr-cancer.org/datasets.

The draft datasets are available for comment until Friday 10th July 2026 at: https://www.iccr-cancer.org/datasets/datasets-under-consultation/. To provide feedback please email any comments together with your name and country to datasets@iccr-cancer.org.

It would be greatly appreciated if you could disseminate this notification to any other interested parties.

We anticipate the datasets will be published in the third quarter of 2026.

If you have any questions, please do not hesitate to contact Fleur Webster, ICCR Dataset Project Manager, at fleurwebster@iccr-cancer.org.

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The International Academy of Pathology (IAP) is invited to review the following draft 1st edition International Collaboration on Cancer Reporting (ICCR) datasets:

• Carcinoma of the appendix
• Carcinoma of the gallbladder
• Liver metastasis resection
• Squamous cell carcinoma of the anus – local excision specimen
• Squamous cell carcinoma of the anus – abdominoperineal excision specimen

The ICCR has been formed to develop common, internationally standardised and evidence-based cancer datasets for surgical pathology specimens. Using the best international approaches, and leveraging the knowledge and experience of world-leading pathologists, the ICCR aims to ensure that all cancer reports, will be of the same high quality; ensuring completeness, consistency, clarity, conciseness and above all, clinical utility. The ICCR has 62 published datasets to date, with a total of 118 dataset editions published including updates which are available at: http://www.iccr-cancer.org/datasets.

The draft datasets are available for comment until Friday 24th April 2026 at: https://www.iccr-cancer.org/datasets/datasets-under-consultation/. To provide feedback please email any comments together with your name and country to datasets@iccr-cancer.org.

The ICCR Carcinoma of the appendix dataset has been kindly sponsored by the Appendix Cancer PMP Research Foundation (ACPMP)

The ICCR Liver metastasis resection dataset has been kindly sponsored by the Liver Metastasis Research Network.

A list of all published ICCR datasets may be accessed at: https://www.iccr-cancer.org/datasets/dataset-index/.

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Urinary Tract

• Carcinoma of the bladder – cystectomy, cystoprostatectomy and diverticulectomy specimen (2^nd edition)
• Carcinoma of the renal pelvis and ureter – nephroureterectomy and ureterectomy specimen (2^nd edition)
• Carcinoma of the urethra – urethrectomy specimen (2^nd edition)
• Urinary tract carcinoma – biopsy and transurethral resection specimen (2^nd edition)

The latest Urinary tract datasets may be accessed at: https://www.iccr-cancer.org/datasets/published-datasets/urinary-male-genital/.

These datasets have been kindly sponsored by the International Society of Urological Pathology (ISUP).

Skin

• Merkel cell carcinoma (2nd edition)
• Invasive melanoma (3rd edition)

The latest Skin datasets may be assessed at: https://www.iccr-cancer.org/datasets/published-datasets/skin/

These datasets have been kindly sponsored by the International Melanoma Pathology Study Group (IMPSG).

Digestive Tract

We are pleased to advise that the following ICCR datasets have been updated to UICC TNM9 staging:

• Carcinoma of the stomach (3rd edition)
• Endoscopic resection of the stomach (3rd edition)
• Carcinoma of the oesophagus (3rd edition)
• Endoscopic resection of the oesophagus and oesophagogastric junction (3rd edition)

The latest Digestive tract datasets may be accessed at: https://www.iccr-cancer.org/datasets/published-datasets/digestive-tract/

Note that a full revision of the suite of ICCR Digestive tract datasets to align with the WHO 6^th Edition Tumour Classification will be commencing shortly.

A list of all published ICCR datasets may be accessed at: https://www.iccr-cancer.org/datasets/dataset-index/.

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