2C50
Malignant neoplasms of retroperitoneum
Neoplasias malignas do retroperitônio
CategoryDefinition
A primary or metastatic malignant neoplasm involving the retroperitoneum. The vast majority of cases are carcinomas, lymphomas, or sarcomas.
Exclusions
- Malignant neoplasms of omentum
- Malignant neoplasms of peritoneum
- Malignant mesenchymal neoplasms