{
    "root": {
        "value": "root",
        "parent": null,
        "children": [
            "kneeJointEffusion",
            "kneeMeniscus",
            "kneeAclPcl",
            "kneeMcl",
            "kneePosterolateralCorner",
            "kneeExtensorMechanism",
            "kneeCartilage",
            "kneeBone",
            "kneeOther"
        ]
    },
    "kneeJointEffusion": {
        "value": "Presence and/or extent of joint effusion.",
        "parent": "root",
        "children": []
    },
    "kneeMeniscus": {
        "value": "",
        "parent": "root",
        "children": [
            "kneeMeniscusMedialTearing",
            "kneeMeniscusLateralTearing",
            "kneeMeniscusWrisberg",
            "kneeMeniscusRootTearing",
            "kneeMeniscusRampLesion"
        ]
    },
    "kneeMeniscusMedialTearing": {
        "value": "Presence and/or severity of medial meniscus tearing",
        "parent": "kneeMeniscus",
        "children": []
    },
    "kneeMeniscusLateralTearing": {
        "value": "Presence and/or severity of lateral meniscus tearing",
        "parent": "kneeMeniscus",
        "children": []
    },
    "kneeMeniscusWrisberg": {
        "value": "Presence and/or severity of Wrisberg variant",
        "parent": "kneeMeniscus",
        "children": []
    },
    "kneeMeniscusRootTearing": {
        "value": "Presence and/or severity of meniscus root tearing",
        "parent": "kneeMeniscus",
        "children": []
    },
    "kneeMeniscusRampLesion": {
        "value": "Presence and/or severity of ramp lesion",
        "parent": "kneeMeniscus",
        "children": []
    },
    "kneeAclPcl": {
        "value": "",
        "parent": "root",
        "children": [
            "kneeAcl",
            "kneePcl"
        ]
    },
    "kneeAcl": {
        "value": "",
        "parent": "kneeAclPcl",
        "children": [
            "kneeAclTearing",
            "kneeAclDegeneration",
            "kneeAclReconstruction"
        ]
    },
    "kneeAclTearing": {
        "value": "Presence and/or severity of ACL tearing",
        "parent": "kneeAcl",
        "children": []
    },
    "kneeAclDegeneration": {
        "value": "Presence and/or severity of ACL degeneration",
        "parent": "kneeAcl",
        "children": []
    },
    "kneeAclReconstruction": {
        "value": "ACL reconstruction status",
        "parent": "kneeAcl",
        "children": []
    },
    "kneePcl": {
        "value": "",
        "parent": "kneeAclPcl",
        "children": [
            "kneePclTearing",
            "kneePclDegeneration",
            "kneePclReconstruction"
        ]
    },
    "kneePclTearing": {
        "value": "Presence and/or severity of PCL tearing",
        "parent": "kneePcl",
        "children": []
    },
    "kneePclDegeneration": {
        "value": "Presence and/or severity of PCL degeneration",
        "parent": "kneePcl",
        "children": []
    },
    "kneePclReconstruction": {
        "value": "PCL reconstruction status",
        "parent": "kneePcl",
        "children": []
    },
    "kneeMcl": {
        "value": "",
        "parent": "root",
        "children": [
            "kneeMclTearing",
            "kneeMclDeepFibers",
            "kneeMclSuperficialFibers"
        ]
    },
    "kneeMclTearing": {
        "value": "Presence and/or severity of MCL tearing",
        "parent": "kneeMcl",
        "children": []
    },
    "kneeMclDeepFibers": {
        "value": "MCL deep fibers status",
        "parent": "kneeMcl",
        "children": []
    },
    "kneeMclSuperficialFibers": {
        "value": "MCL superficial fibers status",
        "parent": "kneeMcl",
        "children": []
    },
    "kneePosterolateralCorner": {
        "value": "",
        "parent": "root",
        "children": [
            "kneeIlioTibialBand",
            "kneeBicepsFemorisTendon",
            "kneeLateralCollateralLigament"
        ]
    },
    "kneeIlioTibialBand": {
        "value": "Presence and/or severity of ilio-tibial band findings",
        "parent": "kneePosterolateralCorner",
        "children": []
    },
    "kneeBicepsFemorisTendon": {
        "value": "Presence and/or severity of biceps femoris tendon findings",
        "parent": "kneePosterolateralCorner",
        "children": []
    },
    "kneeLateralCollateralLigament": {
        "value": "Presence and/or severity of lateral collateral ligament findings",
        "parent": "kneePosterolateralCorner",
        "children": []
    },
    "kneeExtensorMechanism": {
        "value": "",
        "parent": "root",
        "children": [
            "kneeQuadricepsTendon",
            "kneePatellarTendon"
        ]
    },
    "kneeQuadricepsTendon": {
        "value": "",
        "parent": "kneeExtensorMechanism",
        "children": [
            "kneeQuadricepsTendonTearing",
            "kneeQuadricepsTendinopathy"
        ]
    },
    "kneeQuadricepsTendonTearing": {
        "value": "Presence and/or severity of quadriceps tendon tearing",
        "parent": "kneeQuadricepsTendon",
        "children": []
    },
    "kneeQuadricepsTendinopathy": {
        "value": "Presence and/or severity of quadriceps tendinopathy",
        "parent": "kneeQuadricepsTendon",
        "children": []
    },
    "kneePatellarTendon": {
        "value": "",
        "parent": "kneeExtensorMechanism",
        "children": [
            "kneePatellarTendonTearing",
            "kneePatellarTendinopathy"
        ]
    },
    "kneePatellarTendonTearing": {
        "value": "Presence and/or severity of patellar tendon tearing",
        "parent": "kneePatellarTendon",
        "children": []
    },
    "kneePatellarTendinopathy": {
        "value": "Presence and/or severity of patellar tendinopathy",
        "parent": "kneePatellarTendon",
        "children": []
    },
    "kneeCartilage": {
        "value": "Articular cartilage status",
        "parent": "root",
        "children": [
            "kneeCartilageFemoral",
            "kneeCartilageTibial",
            "kneeCartilagePatellar",
            "kneeOsteochondralLesion"
        ]
    },
    "kneeCartilageFemoral": {
        "value": "",
        "parent": "kneeCartilage",
        "children": [
            "kneeCartilageFemoralMedial",
            "kneeCartilageFemoralLateral"
        ]
    },
    "kneeCartilageFemoralMedial": {
        "value": "Presence and/or severity of knee medial femoral cartilage findings",
        "parent": "kneeCartilageFemoral",
        "children": []
    },
    "kneeCartilageFemoralLateral": {
        "value": "Presence and/or severity of knee lateral femoral cartilage findings",
        "parent": "kneeCartilageFemoral",
        "children": []
    },
    "kneeCartilageTibial": {
        "value": "",
        "parent": "kneeCartilage",
        "children": [
            "kneeCartilageTibialMedial",
            "kneeCartilageTibialLateral"
        ]
    },
    "kneeCartilageTibialMedial": {
        "value": "Presence and/or severity of knee medial tibial cartilage findings",
        "parent": "kneeCartilageTibial",
        "children": []
    },
    "kneeCartilageTibialLateral": {
        "value": "Presence and/or severity of knee lateral tibial cartilage findings",
        "parent": "kneeCartilageTibial",
        "children": []
    },
    "kneeCartilagePatellar": {
        "value": "",
        "parent": "kneeCartilage",
        "children": [
            "kneeCartilagePatellarMedial",
            "kneeCartilagePatellarLateral"
        ]
    },
    "kneeOsteochondralLesion": {
        "value": "Presence and/or severity of knee osteochondral lesions/defects",
        "parent": "kneeCartilage",
        "children": []
    },
    "kneeCartilagePatellarMedial": {
        "value": "Presence and/or severity of knee medial patellar cartilage findings",
        "parent": "kneeCartilagePatellar",
        "children": []
    },
    "kneeCartilagePatellarLateral": {
        "value": "Presence and/or severity of knee lateral patellar cartilage findings",
        "parent": "kneeCartilagePatellar",
        "children": []
    },
    "kneeBone": {
        "value": "",
        "parent": "root",
        "children": [
            "kneeBoneFracture",
            "kneeBoneMarrowEdema",
            "kneeSubchondralFracture",
            "kneeOsteonecrosis",
            "kneeBoneAvn"
        ]
    },
    "kneeBoneFracture": {
        "value": "Presence, severity and/or location and/or type of knee bone fracture",
        "parent": "kneeBone",
        "children": []
    },
    "kneeBoneMarrowEdema": {
        "value": "Presence and/or severity of knee bone marrow edema/contusion",
        "parent": "kneeBone",
        "children": []
    },
    "kneeSubchondralFracture": {
        "value": "Presence and/or severity of knee subchondral fractures",
        "parent": "kneeBone",
        "children": []
    },
    "kneeOsteonecrosis": {
        "value": "Presence and/or severity of knee osteonecrosis",
        "parent": "kneeBone",
        "children": []
    },
    "kneeBoneAvn": {
        "value": "Presence and/or severity of knee avascular necrosis",
        "parent": "kneeBone",
        "children": []
    },
    "kneeOther": {
        "value": "Other knee findings",
        "parent": "root",
        "children": [
            "kneeBursa",
            "kneePoplitealCyst",
            "kneeGanglionCyst",
            "kneeMass",
            "kneeSynovium",
            "other"
        ]
    },
    "kneeBursa": {
        "value": "Presence and/or severity of knee bursa findings, e.g. bursitis",
        "parent": "kneeOther",
        "children": []
    },
    "kneePoplitealCyst": {
        "value": "Presence and/or extent of knee popliteal/Baker's cyst",
        "parent": "kneeOther",
        "children": []
    },
    "kneeGanglionCyst": {
        "value": "Presence and/or extent of knee ganglion cyst",
        "parent": "kneeOther",
        "children": []
    },
    "kneeMass": {
        "value": "Presence and/or extent of knee masses, e.g. lipoma, hemangioma, synovial sarcoma",
        "parent": "kneeOther",
        "children": []
    },
    "kneeSynovium": {
        "value": "Presence and/or extent of knee synovial findings, e.g. synovitis, thickening",
        "parent": "kneeOther",
        "children": []
    },
    "other": {
        "value": "Any other findings not listed above, such as soft tissue findings",
        "parent": "kneeOther",
        "children": []
    }
}