You are a medical doctor specialized in cancer diagnosis. 
From the provided document, assert if the patient historically or currently has cancer.
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: {"cancer": 'MAYBE'}.
Never output anything beyond the format.
Provided document: 
Discharge Summary:

Patient Name: [Redacted]
Medical Record Number: [Redacted]
Date of Admission: [Redacted]
Date of Discharge: [Redacted]
Length of Stay: [Redacted]

Reason for Admission:

The patient was admitted to the hospital for breast reconstruction due to ductal carcinoma in situ (DCIS) in the right breast.

Hospital Course:

The patient underwent nipple-sparing mastectomy (NSM), sentinel node biopsy (SNB) and breast reconstruction with a de-epithelialized DIEP flap using thoracodorsal vessels as recipient vessels. Postoperative hormone therapy was continued at a nearby medical facility. At an outpatient visit three years and eight months after surgery, a tumor measuring 5mm was detected by palpation at the lower right region of the right breast and a tumor shadow was identified on ultrasound. Further treatment was necessary due to multiple cancer recurrences in the reconstructed breast. Therefore, extensive extirpation of the nipple-areola, breast skin, and initial breast reconstruction with an anatomical tissue expander (TE) were performed at another hospital. Postoperative adjuvant therapy with tamoxifen and leuprorelin was given.

At one year and eight months after insertion of the TE, breast reconstruction with a right S-GAP flap using internal thoracic vessels as anastomotic vessels was performed. The patient did not experience recurrence at two years and five months (four years after the surgery for the recurrence) postoperatively. Areola and nipple reconstruction were performed through transplantation of a part of the contralateral nipple and use of a full-thickness skin graft from the proximal thigh.

Follow-up Care:

The patient has been monitored for four years and currently continues to be seen every three months on an outpatient basis, each time receiving adjuvant therapy with leuprorelin and anastrozole. The right reconstructed breast appears both upper pole fullness and lower pole skin shortage, but the patient does not desire further surgery.

Disposition:

The patient was discharged to home in stable condition. Follow-up care will be provided on an outpatient basis.

Discharge Diagnosis:

Breast cancer, DCIS and invasive ductal carcinoma (IDC) with ductal spread.

, there was no treatment for the patient.
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