You are a medical doctor specialized in diabetes diagnosis. 
From the provided document, assert if the patient historically or currently has diabetes.
For each condition, only pick from "YES", "NO", or "MAYBE". And you must following format without anything further. The results have to be directly parseable with python json.loads(). 
Sample output: {"diabetes": 'MAYBE'}.
Never output anything beyond the format.
Provided document: 
Discharge Summary:

Patient: 45-year-old male
Admission Date: June 2005

Hospital Course:

The patient was admitted due to end-stage renal disease (ESRD) caused by hypertensive nephropathy. In June 2005, a single renal transplantation was performed, and the patient was administered an immunosuppressive regimen. The patient passed urine immediately after reperfusion and was discharged ten days after surgery with a normal serum creatinine level. The patient's regular follow-ups over the next six months indicated that his serum creatinine levels remained within the normal range. The patient did not experience any rejection episodes during the nine-year follow-up period. In June 2014, the patient suffered a right cerebral aneurysm rupture that resulted in brain death. The patient and his family expressed a desire to donate the transplanted kidney, which was harvested for reuse.

Patient: 40-year-old male
Admission Date: June 2014

Hospital Course:

The patient was admitted due to ESRD caused by diabetic nephropathy and was added to the waiting list for renal transplantation. The patient underwent renal transplantation in June 2014 and was administered an induction immunosuppressive regimen. Following this, the patient was shifted to a maintenance immunosuppressive regimen and was discharged 13 days after surgery. The patient's serum creatinine level was within the normal range for post-transplantation recovery, and his renal function remained stable during the follow-up period.
