{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"72"}],"units":"Participants"}],"description":"The crude risk of 2-year solitary elective volume recurrence will be calculated among all patients who are followed for at least 2 years. Patients who die before 2 years without an SEVR will be included in the denominator.","groups":[{"description":"Intensity modulated radiation therapy (IMRT) with or without chemotherapy (if given, either cisplatin, cetuximab, or carboplatin-paclitaxel)\n\nIntensity Modulated Radiation Therapy: The radiotherapy plan wil be delivered in 2 sequential courses. The first course involves 20 fractions of 2 Gy per fraction to the entire volume (gross disease and elective). The second course involves 15 fractions (thus, total of 35 fractions), at either 2 Gy (gross disease) or 1.6 Gy (microscopic disease and suspicious node) per fraction.\n\nchemotherapy: chemotherapy (if given, either cisplatin, cetuximab, or carboplatin-paclitaxel) per physician discretion","id":"OG000","title":"Radiation Therapy"}],"paramType":"COUNT_OF_PARTICIPANTS","reportingStatus":"POSTED","timeFrame":"2 years","title":"Number of Patients With Solitary Elective Volume Recurrence","type":"PRIMARY","unitOfMeasure":"Participants"}