{
  "ptid_time": "012_S_1212_2007-01-12",
  "img_path": "/data/qiuhui/data/adni/images/012_S_1212/2007-01-12/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 11,163 mm³, 60.2% below the reference mean. With a Z-score of -1.38 (8.4th percentile), this represents mild atrophy; whole brain volume measures 1,063,490 mm³, 9.1% above the reference mean. With a Z-score of 1.15 (87.4th percentile), this represents mild enlargement. ",
  "text_data": "Age is 75.3 years. Gender is Female. Education: 17 years. Handedness: Right. Race: White. Medical history: Neurologic; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Respiratory; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Renal-Genitourinary; Allergies or Drug Sensitivities; Smoking; Malignancy; Major Surgical Procedures. MMSE: 27.0. Logical Memory: 17.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The ventricular volume shows mild atrophy (Z-score -1.38), but whole brain volume is mildly enlarged (Z-score 1.15). MMSE score of 27 is within normal range, and the absence of APOE4 reduces genetic risk. No significant cognitive impairment is indicated.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to mixed imaging findings but normal cognitive scores)",
  "timestamp": "2025-07-25T23:08:53.949414"
}