"This is the moment it becomes malignant. Carcinoma in situ becomes invasive adenocarcinoma. The cells learn to secrete matrix metalloproteinases—molecular scissors. They cut through the collagen. They reach the submucosa. And inside the submucosa are lymphatics and blood vessels.
The professor collects her papers.
She died peacefully, at home, with morphine for air hunger and lorazepam for terminal agitation. pathology lecture