Cluster 411: tyrosine kinase inhibitor inhibitors tki therapy prior treatment bruton egfr 
Cluster 503: egfr tki treatment tm mutation erlotinib prior generation progression gefitinib 
Cluster 1158: philadelphia chromosome ph positive abl kinase bcr tyrosine patients tki 
Cluster 1163: egfrmut antineoplastic tm met phase egfr ii group tki nave