Unparalleled in demonstrating the art of clinical diagnosis this classic text has been used by several generations of medical students and house staff since its original publication seventy years ago. Thoroughly revised by one of America s most distinguished gastrointestinal surgeons it combines the enduring principles of prompt accurate diagnosis of the acute abdomen with many fresh observations culled from Silen s own experience. Retained from Cope s original work are his emphasis on clinical diagnosis by direct examination his highly readable style of writing and the book s overall structure. This edition is more substantially revised than the previous one as there is now a better understanding of the disease processes that cause abdominal pain particularly in AIDS patients. Also new to this edition are discussions about diagnostic techniques such as ultrasound which can be especially helpful in diagnosing ectopic pregnancy and other problems in women. More radiographs have also been added.