Is it breast cancer... or tapeworm larvae?

We here at Seriously, Science?have a soft spot for disgusting medical case studies… and this one’s a doozy! It’s a story of a woman who was diagnosed with breast cancer. But the plot twists when a biopsy revealed that it was not just a tumor… it was pork tapeworm larvae! The authors point out that this an excellent example of why diagnoses should always be followed up by confirmation by a pathologist. Because every bedtime story should have a moral.