In 2025, 15 years after Dr. Siddhartha Mukherjee’s Pulitzer-winning book, The Emperor of All Maladies: A Biography of Cancer , was first published, he updated it, adding four new chapters about detection, prevention, treatment, and overall understanding of the disease. “I felt an urgent need,” says Mukherjee, an oncologist, “because much of what we know about cancer had changed.” In another 15 years, he expects AI will have played a key role in developing new treatments that are more precise