25 Intuitions on Cancer

A Layperson's Thought Experiments Mapped to the Research Frontier — By An Seungwon

25 Thought Experiments 2 Novel Proposals 23/25 Match Active Research

Twenty-five thought experiments on cancer by a person with no formal medical training. Of 25, 23 correspond precisely to active research fields, and 2 are narrow variants proposed as novel clinical programs.

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Proposal 1: Normal Fibroblast Cell Therapy

A novel approach injecting living normal fibroblasts into the tumor periphery to reconstitute a dormancy-supporting microenvironment.

Proposal 2: Autologous Tissue Isolation Barrier

Using the patient's own tissue — periosteum, fascia, muscle — to physically surround and isolate unresectable tumors, blocking invasion routes.

Immune System Engineering

Immune-based approaches including oncolytic viruses (T-VEC), cell competition (Flower proteins), and mRNA cancer vaccines.

Physical Forces & Tumor Dormancy

Non-pharmacological approaches (Optune, HIFU, histotripsy) and type III collagen-based tumor dormancy maintenance strategies.

Evolutionary Perspectives & Early Detection

Atavism theory of cancer (Paul Davies), fluorescence-guided surgery (5-ALA, Tumor Paint), and molecular recorders (CRISPR-based cell lineage tracing).

Meta-Analysis: The Pattern of Thinking

Five analogy domains (social, information-processing, physical, evolutionary, hierarchical), temporal span from 1889 to 2026, and analysis of outsider thinking freedom.