chemotherapy tracking AI — AGENTIC PATIENT

One Tool, One Job: How a Stage 4 Cancer Patient Is Building Infrastructure the Health System Won't

Russ's story is the clearest case study in the series of a patient building durable, purpose-specific AI infrastructure to do what the health system will not: maintain a coherent, longitudinal, cross-specialty view of his own care. He tracks chemo symptoms daily in Claude, mirrors them into a Google Doc because chatbots silently lose long-term memory (he lost roughly half of three months of chemo data to memory failures across two tools), runs a weekly "cancer smasher" Claude project that scans new literature and trials against his own tumor profile, and uses Notebook LM as a closed-corpus analyst over his doctor's notes and bloods.

Tjasa ZajcApril 20, 2026stage 4 cancer AI, bowel cancer AI, colorectal cancer AI, cancer patient AI stack, Claude AI cancer, Notebook LM cancer, Claude Dispatch, Claude Cowork, AI symptom tracking, chemotherapy tracking AI, AI for chemo, cancer journey AI, fcancerwith.ai, AI long term memory, chatbot memory limitsComment

Which tools?

Which prompts?

What's working? What isn't?

The Agentic Patient is a series about how real patients are using AI to navigate their health: finding insurance, managing symptoms, tracking disease, and more.

We get into the details. How do patients make AI help them do better, not worse and what should we all be mindful of along the way?

Digital health literacy is what makes tech a force for good in healthcare. This series is for anyone turning to AI for health answers and wants to do it safely, responsibly, and well.