A 50-year-old man with a new diagnosis of non–small cell lung cancer is seen in follow-up. At the time of diagnosis, his disease was found to be metastatic to the liver, bone, and brain. He has completed whole-brain radiation for his brain metastases, and he is scheduled to begin chemotherapy. He states that he currently feels well, and his bone pain is well controlled with as-needed acetaminophen and NSAIDs.

In discussing his management, he indicates that he understands that his disease is incurable, and his overall goal is to live as long as possible comfortably so that he can spend as much quality time with his children as he can.

Which of the following is the most appropriate approach to management of this patient's care?