{
  "ptid_time": "041_S_1425_2007-08-06",
  "img_path": "/data/qiuhui/data/adni/images/041_S_1425/2007-08-06/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 13,914 mm³, 50.4% below the reference mean. With a Z-score of -1.15 (12.4th percentile), this represents mild atrophy; whole brain volume measures 900,211 mm³, 7.6% below the reference mean. With a Z-score of -0.96 (16.8th percentile), this represents normal volume . ",
  "text_data": "Age is 75.6 years. Gender is Female. Education: 16 years. Handedness: Right. Race: White. Medical history: Psychiatric; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Endocrine-Metabolic; Gastrointestinal; Renal-Genitourinary; Major Surgical Procedures. MMSE: 28.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The ventricular volume shows mild atrophy, but whole brain volume is within normal range. The MMSE score of 28 is normal, and the absence of APOE4 reduces genetic risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium",
  "timestamp": "2025-07-26T07:07:52.319479"
}