Donated on 10/31/1988

This lymphography domain was obtained from the University Medical Centre, Institute of Oncology, Ljubljana, Yugoslavia. (Restricted access)

Dataset Characteristics


Subject Area

Health and Medicine

Associated Tasks


Feature Type


# Instances


# Features


Dataset Information

Additional Information

This is one of three domains provided by the Oncology Institute that has repeatedly appeared in the machine learning literature. (See also breast-cancer and primary-tumor.)

Has Missing Values?


Variables Table

Variable NameRoleTypeDescriptionUnitsMissing Values
block of affereFeatureIntegerno
bl. of lymph. cFeatureIntegerno
bl. of lymph. sFeatureIntegerno
by passFeatureIntegerno
regeneration ofFeatureIntegerno
early uptake inFeatureIntegerno
lym.nodes diminFeatureIntegerno

0 to 10 of 20

Additional Variable Information

--- NOTE: All attribute values in the database have been entered as numeric values corresponding to their index in the list of attribute values for that attribute domain as given below. 1. class: normal find, metastases, malign lymph, fibrosis 2. lymphatics: normal, arched, deformed, displaced 3. block of affere: no, yes 4. bl. of lymph. c: no, yes 5. bl. of lymph. s: no, yes 6. by pass: no, yes 7. extravasates: no, yes 8. regeneration of: no, yes 9. early uptake in: no, yes 10. lym.nodes dimin: 0-3 11. lym.nodes enlar: 1-4 12. changes in lym.: bean, oval, round 13. defect in node: no, lacunar, lac. marginal, lac. central 14. changes in node: no, lacunar, lac. margin, lac. central 15. changes in stru: no, grainy, drop-like, coarse, diluted, reticular, stripped, faint, 16. special forms: no, chalices, vesicles 17. dislocation of: no, yes 18. exclusion of no: no, yes 19. no. of nodes in: 0-9, 10-19, 20-29, 30-39, 40-49, 50-59, 60-69, >=70

Class Labels

normal find, metastases, malign lymph, fibrosis


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M. Zwitter

M. Soklic


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