EGFR mutations are often associated with the development of carcinomas, such as lung, breast, and colorectal cancers. There are various clinical treatment strategies available to target EGFR. In the case of nt who has a confirmed EGF receptor with a truncated extracellular domain. Based genotype of this patient, please state whether the following can be implemented. Explain and justify your answers (2% for each). (Answer in Chinese or English is ok)