Pathology Lecture (FREE ⇒)

The professor collects her papers.

APC normally says, 'Stop dividing.' Without it, the cell becomes hyperplastic. Not cancer yet. Just... enthusiastic. A polyp. Benign. But now that cell is unstable. It divides faster than its neighbors. It acquires more mutations: KRAS (the accelerator stuck to the floor), then TP53 (the cell’s suicide switch, disabled)." pathology lecture

A student in the front row stops taking notes. He’s just staring. The professor collects her papers

She died peacefully, at home, with morphine for air hunger and lorazepam for terminal agitation. 'Stop dividing.' Without it

Now. Turn to page 342. We will go over the molecular pathways of colorectal cancer. But first—any questions?"

And the macrophages believed it.

A student raises a hand. "Did Margaret ever know she had cancer?"