PIK3CA and non-small cell lung carcinoma: This study examines the genetic and clinical profiles of Vietnamese patients with non-small cell lung cancer (NSCLC), focusing on mutations in seven driver genes: EGFR, KRAS, NRAS, BRAF, ALK, ROS1, and PIK3CA. The goal is to identify mutation patterns and their correlations with clinical factors, thereby informing personalized treatment strategies.