Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: history of present illness: this is a 58 year old gentleman with a history of severe low back pain with anterior thigh pain and knees, no pain below knees. he has occasional right heel pain. the patient has a history of multiple back surgeries including a micro diskectomy, an l3, s1 fusion, l4, s1 fusion, and an open reduction and internal fixation of his left fibula and right calcaneous in . the patient presents today to have a reoperative l2 to l3 decompression and an l2, l3 fusion using pedicle screws and iliac crest line graft. past medical history: 1. non-insulin dependent diabetes mellitus. 2. hypertension. 3. carpal tunnel syndrome. medications: 1. oxycodone 15 mg q. four. 2. ms contin 75 mg q. six. 3. ultram 100 mg three times a day. 4. neurontin 600 mg four times a day. 5. lodine xl 600 three times a day. 6. glyburide. 7. univasc. 8. hydrochlorothiazide. physical examination: blood pressure 123/63; heart rate 78; sao2 96% on room air. lungs clear. heart rate, regular rate and rhythm, no murmurs. abdomen obese, soft, nontender, no masses. pupils equally round and reactive to light and accommodation. extraocular muscles are full. two plus carotids; no thyromegaly. extremities with five out of five in both upper extremities; five out of five by flexion, decreased sensation in legs bilaterally, four plus out of five foot dorsiflexion. feet were warm. hospital course: the patient was brought to the operating room on , where he underwent a re-operative l2, l3 decompression and l2, l3 fusion using pedicle screws and iliac crest bone graft. postoperatively, the patient was awake, alert, and oriented times three, blood pressure 140s to 160s. heart rate 83; 18; 95%. the patient was on a ventilator post surgery. he was extubated overnight and placed on a morphine pca pump, started on kefzol one gram q. eight, venodyne and subcutaneous heparin. he had two drains to suction. on his first postoperative day, he was awake, alert and oriented, moving all extremities times command. grasp, nit were both five out of five. dressing was clean, dry and intact. his postoperative hematocrit was 30.9. he was to be using a brace at all times when out of bed. he had his coagulation studies closely checked due to a large amount of drainage out of both hemovac drains. his coagulation and dic screening came back negative and his drain output continued to be high, however, did slow down over the next day. he had lying films which showed good position of hardware on his first postoperative day. the pain service was also consulted. he was placed on dilaudid pca, to continue with ms contin and neurontin. his pca was increased. on the , his drains had decreased in the amount of output overnight. he was doing more comfortably with pain control. he continued to be on the dilaudid pca throughout that day. on the , the patient's hematocrit was 28.3 and he received one unit of blood. also, his right drain was discontinued. he had been out of bed to chair. his pca pump was stopped. he was seen by physical therapy on the 30th who felt that he would need home physical therapy. he also had his brace modified by adding tongues to the overlap area laterally, to decrease the chance of skin impingement. on the 31st he had his foley catheter discontinued. he had been on a regular diet and has been getting out of bed with physical therapy. his hematocrit on the 31st was 27.7 and he was given another unit of packed red blood cells and we will be checking a follow-up one on , prior to discharge. he worked well with physical therapy and they felt that he could go home safely with home physical therapy. he is going to have home physical therapy and a home nursing check for wound check. discharge instructions: 1. his follow-up appointment will be on , at 09:20. he needs to have x-rays done and then follow-up with dr. on 10:20 on the 12th for a wound check and staple removal. discharge medications: 1. colace 100 mg twice a day. 2. atenolol 25 mg q. day. 3. moexipril 15 mg q. day. 4. hydrochlorothiazide 25 mg p.o. q. day. 5. gabapentin 300 mg, take 600 mg twice a day. 6. oxycodone 5 mg, one to three tablets q. three to four hours as needed for pain. 7. glyburide 2.5 mg, take one p.o. twice a day. 8. morphine sulfate 60 mg sa tablets, take one every six hours as needed for pain. , m.d. dictated by: medquist36 procedure: lumbar and lumbosacral fusion of the anterior column, posterior technique excision of bone for graft, other bones fusion or refusion of 2-3 vertebrae diagnoses: unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled pulmonary collapse iron deficiency anemia, unspecified other and unspecified disc disorder, lumbar region precipitous drop in hematocrit acquired spondylolisthesis 

Answer: The patient is high likely exposed to