{
  "ptid_time": "941_S_1197_2007-08-30",
  "img_path": "/data/qiuhui/data/adni/images/941_S_1197/2007-08-30/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 31,881 mm³, 13.8% below the reference mean. With a Z-score of -0.37 (35.5th percentile), this represents normal volume ; whole brain volume measures 892,067 mm³, 3.9% below the reference mean. With a Z-score of -0.47 (32.0th percentile), this represents normal volume . ",
  "text_data": "Age is 82.9 years. Gender is Female. Education: 20 years. MMSE: 29.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 29 is well within the normal cognitive range (≥26). There is no indication of significant atrophy or cognitive impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T17:28:36.497251"
}