The term therapeutic agent has emerged as a major advancement, in the fast-progressing domain of cancer investigation and therapy.In the fight against pulmonary carcinoma, particularly in cases where alternative therapies have failed, this revolutionary drug has shown encouraging outcomes.The article aims to explore the potential of therapeutic agent, highlighting its advantages, drawbacks, and the challenges faced in its creation and deployment.Mutations in the EGFR (EGFR) gene are specifically targeted by therapeutic agent, which is a type of TKI (TKI).In adenocarcinoma of the lung, this gene plays a crucial role in…