Quantitative and qualitative research in surgery Xavier Serra-Aracil; Manuel López Cano; Eduardo Targarona;

Why is research important in surgery? Xavier Serra-Aracil; Manuel López Cano; Eduardo Targarona;

Excision of a large adenovillous lesion (four quadrants) with peritoneal perforation via Transanal Endoscopic Operation (TEO). Step-by-step surgical strategy Xavier Serra-Aracil; Jesus Badia-Closa;