: It is used in Japan, the US, and the EU to treat HER2-overexpressing breast cancer and metastatic gastric cancer .
: As a monoclonal antibody, it targets cancer cells that overexpress the HER2 protein to inhibit their growth. Context for "Drama" and "Entertainment" : It is used in Japan, the US,
: Academic and medical studies regarding its approval in Japan are frequently published. : It is used in Japan