158 Malignant neoplasm of retroperitoneum and peritoneum convert 158 to ICD-10
158.0 Malignant neoplasm of retroperitoneum convert 158.0 to ICD-10
158.8 Malignant neoplasm of specified parts of peritoneum convert 158.8 to ICD-10
158.9 Malignant neoplasm of peritoneum, unspecified convert 158.9 to ICD-10