API:  http://id.who.int/icd/release/10/2019/C48
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/C48",
    "parent": [
        "http://id.who.int/icd/release/10/2019/C45-C49"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/C48.0",
        "http://id.who.int/icd/release/10/2019/C48.1",
        "http://id.who.int/icd/release/10/2019/C48.2",
        "http://id.who.int/icd/release/10/2019/C48.8"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/C48",
    "code": "C48",
    "title": {
        "@language": "en",
        "@value": "Malignant neoplasm of retroperitoneum and peritoneum"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "Kaposi sarcoma"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "mesothelioma"
            }
        }
    ],
    "classKind": "category"
}