Select tumour for C26 - Other and ill-defined digestive organs:
The number attached to each tumour is the ICD-O morphology code of the International Classification of Diseases for Oncology (ICD-O) [1] and the Systematized Nomenclature of Medicine (
/0 benign tumours
/1 unspecified, borderline or uncertain behaviour
/2 in situ carcinomas
/3 malignant tumours.

1. Fritz A, Percy C, Jack A, Shanmuragatnam K, Sobin LH, Parkin DM, Whelan S (Eds) International Classification of Diseases for Oncology. World Health Organization: Geneva 2000

9971/3 Polymorphic PTLD
9971/1 Plasmacytic hyperplasia
Monomorphic PTLD (B- and T/NK-cell types)
9971/1 Infectious mononucleosis-like PTLD
9762/3 Gamma heavy chain disease