Letter: Lumps in the appendix.
D001063:Appendiceal Neoplasms / Q000150:complications / Q000473:pathology*; D001065:Appendix / Q000473:pathology*; D001706:Biopsy; D003537:Cystadenoma / Q000473:pathology*; D006801:Humans; D009078:Mucocele / Q000473:pathology; D010534:Peritoneal Neoplasms / Q000209:etiology