Department of Colorectal Surgery;
Kettering General Hospital;
NN16 8UZ Kettering;
United Kingdom;
Department of Colorectal Surgery;
George Eliot Hospital;
CV10 7DJ Nuneaton;
United Kingdom;
Department of Human Physiology;
Laboratory of Biometry;
University of Rome "Tor Vergata";
00173 Rome;
Italy;
Appendiceal; stump; Open; appendicectomy; Invagination; Appendicitis; Complications;