Argentaffinoma of the appendix.
D000328:Adult; D001062:Appendectomy; D001063:Appendiceal Neoplasms / Q000473:pathology; D001064:Appendicitis / Q000209:etiology; D001065:Appendix / Q000473:pathology; D002276:Carcinoid Tumor / Q000473:pathology; D002467:Cell Nucleus; D003594:Cytoplasmic Granules; D005260:Female; D006801:Humans; D009504:Neutrophils