Table of contents : CONTENTS......Page 7 PREFACE......Page 9 PREFACE TO THE FIRST EDITION......Page 11 ACKNOWLEDGMENTS......Page 13 General Features of the Gastrointestinal Tract and Evaluation of Specimens Derived from It......Page 17 The Nonneoplastic Esophagus......Page 27 The Neoplastic Esophagus......Page 101 The Nonneoplastic Stomach......Page 151 The Neoplastic Stomach......Page 249 The Nonneoplastic Small Intestine......Page 291 Epithelial Tumors of the Small Intestine......Page 487 Nonneoplastic Diseases of the Appendix......Page 513 The Neoplastic Appendix......Page 541 Motility Disorders......Page 559 Inflammatory Bowel Disease......Page 609 Polyposis and Hereditary Cancer Syndromes......Page 707 The Nonneoplastic Colon......Page 751 Epithelial Neoplasms of the Colon......Page 915 The Nonneoplastic Anus......Page 1053 Neoplastic Lesions of the Anus......Page 1083 Gastrointestinal Neuroendocrine Lesions......Page 1115 Lymphoproliferative Disorders of the Gastrointestinal Tract......Page 1177 Mesenchymal Tumors......Page 1219 INDEX......Page 1283