The associations between EGFR position, clinical features, and tumor response to erlotinib were analyzed with the use of the chi-square check or Fisher’s exact check. Confidence intervals were calculated by using binomial distribution. In addition to the principal analyses, we performed five post hoc analyses of patients’ features and response according to sex, cigarette smoking history, age, Eastern Cooperative Oncology Group performance status, and treatment. The Bonferroni technique was found in multiple comparisons. All statistical calculations were performed with the use of SPSS software .Related StoriesOvarian cancer patients with a brief history of oral contraceptive use have better outcomesCrucial transformation in single DNA bottom predisposes children to aggressive type of cancerMD Anderson research reveals why chemotherapy drugs not effective for most pancreatic cancer patientsThe conference enables experts to present the most recent advancements in prostate, bladder and renal cell cancers and spans the entire field; from bench research to clinical applications which should be of interest to both clinicians and basic scientists.