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:

Admission Date: [Date of Admission]
Discharge Date: [Date of Discharge]
Length of Stay: [Number of days of stay]
 
Patient: [Patient Name], a 60-year-old male with a history of liver cirrhosis was admitted to the hospital due to pain, swelling, and erythematous changes of the anterolateral aspect of his left leg. The patient had a history of open reduction and internal fixation for tibial plateau fracture and a femoral artery fracture in the past. On admission, the patient had erythematous changes in the left leg, which localized to the anterior aspect in the middle of the leg and formed a fluid-filled, erythematous mass.
 
Hospital Course:
The patient was maintained with a long leg splint after admission. Two weeks after admission, the erythematous changes had progressed and a draining sinus had developed on the erythematous mass spontaneously and a thick fluid with a chalk-like material was discharged through the shiny skin via the sinus. Radiographic examination 
