{
  "ptid_time": "109_S_1183_2008-01-25",
  "img_path": "/data/qiuhui/data/adni/images/109_S_1183/2008-01-25/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 41,370 mm³, 12.0% below the reference mean. With a Z-score of -0.35 (36.4th percentile), this represents normal volume ; whole brain volume measures 963,331 mm³, 6.4% below the reference mean. With a Z-score of -0.84 (20.1th percentile), this represents normal volume . ",
  "text_data": "Age is 81.2 years. Gender is Male. Education: 16 years. MMSE: 30.0. Logical Memory: 9.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The ventricular and whole brain volumes are within normal ranges, and the MMSE score of 30 indicates no cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:30:50.517231"
}