EGFR and non-small cell lung carcinoma: While, T790M mutation was detected in a total of 12 blood samples collected from the NSCLC patients after target therapy (#1, #3, #4, #8, #10, #11-#13, #18, #24-#25, #28) using the Scorpion-ARMS EGFR Plasma RGQ PCR Kit or the novel method.