gefinitib cancer drug molecule. inhibitor of the epidermal growth factor receptor (egfr). atoms are represented as spheres with

gefitinib gefitinibe breast lung cancer tumor oncology oncologist egfr inhibitor epidermal growth factor receptor tyrosine kinase carcinoma adenocarcinoma mutation companion diagnostic personalized hydrogen carbon oxygen nitrogen chlorine fluorine disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular