| CRS | Cytoreductive surgery |
| GNAS | Guanine nucleotide-binding protein, alpha stimulating activity polypeptide |
| HAMN | High-grade appendiceal mucinous neoplasm |
| HE | Hematoxylin and eosin |
| HIPEC | Hyperthermic intraperitoneal chemotherapy |
| KL-1 | KL-1 cytokeratin |
| KRAS | Kirsten rat sarcoma viral oncogene homolog |
| LAMN | Low-grade appendiceal mucinous neoplasm |
| PMP | Pseudomyxoma peritonei |
| WHO | World Health Organization |