Table 2.

Represented 5 highest maximal closed frequent item sets for Gene-Country

Gene maximal closed frequent item set	Support
ERBB2, ESR1, PGR	48.43
EGF, ERBB2, ESR1	46.54
BRCA1, ERBB2, ESR1	45.91
BRCA1, BRCA2	45.28
CDKN2A, ESR1	45.28