Benign retroperitoneal tumours and masses
The retroperitoneum — the space behind the abdominal cavity containing the kidneys, adrenal glands, major vessels, ureters, pancreas and lymph nodes — can…
Desmoid tumour (aggressive fibromatosis)
A desmoid tumour is a growth of fibrous tissue that invades locally but never spreads to distant organs.
Soft tissue sarcoma of the trunk and abdominal wall
Soft tissue sarcomas are malignant tumours arising from connective tissue — muscle, fat, fibrous tissue, blood vessels and nerves.
Retroperitoneal liposarcoma
Retroperitoneal liposarcoma is a malignant tumour of fat cells arising in the space behind the abdominal cavity. It is the commonest retroperitoneal sarcoma.