My mother suffered an ischemic stroke caused by a blood clot at the end of January last year, which resulted in paralysis on the left side of her body. In mid-November, she was further diagnosed with stage IV nasopharyngeal cancer. Despite these many hardships, she has shown remarkable resilience and a strong will to live. Recently, we have been considering immunotherapy for my mother, and she has expressed her willingness to begin with a low-dose treatment. However, the upcoming nine-day...