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: allergies: patient recorded as having no known allergies to drugs attending: chief complaint: left femur chondrosarcoma major surgical or invasive procedure: resection of left femur chondrosarcoma with allograft/prosthetic replacement of left proximal femur history of present illness: 41-year-old gentleman who had some vague left hip pain for about the past eight or nine months or so. it really has not been severe in anyway and so he did not think much of it. however, over the past two to three months or so now, the hip has become much more sore to him. he had a groin pull type of sensation medially prior to that, but that has now completely resolved. the pain that actually brought him in for consultation is a lateral sided pain, about the greater trochanter level. this has really been annoying to him at night and actually will wake him up out of sleep because of this pain. currently, he does not have much rest pain at all to speak of, although there is a mild amount. his pain is increased with increased weightbearing activity, especially as the day goes on. he does have night pain that wakes him up out of sleep, but usually it is when he is rolling on to that hip. he sometimes however will wake up even without rolling onto it. he has not noticed any lumps or bumps. he underwent a needle biopsy of the lesion seen on imaging and it was found to be chondrosarcoma. past medical history: healthy young man. he has no known major medical problems physical exam: aox3, nad lle: wound is c/d/i sslt intact in left foot thigh is soft /adf/apf intact motor palp dp pulse pertinent results: 06:30am blood wbc-6.7 rbc-3.00* hgb-9.2* hct-26.0* mcv-87 mch-30.5 mchc-35.1* rdw-12.7 plt ct-316 clostridium difficile toxin assay (final ): feces negative for c. difficile toxin by eia. direct antigen test for varicella-zoster virus (final ): negative for varicella-zoster virus. allograft femur. **final report ** gram stain (final ): no polymorphonuclear leukocytes seen. no microorganisms seen. brief hospital course: patient underwent the above mentioned procedure and was admitted to the icu overnight for observation b/c there was limited bed availability on the surgical floor. he tolerated the procedure well. he had his epidural catheter removed on pod#1 and his foley was removed and he was started on lovenox for dvt prophylaxis. he began working with pt on pod#2 to reinforce his tdwb on lle restrictions. he progressed well physical therapy and he remained comfortable on an oral analgesic regimen. his labs remained stable in the postoperative period and his vital signs were wnl at the time of discharge. he was cleared for safe discharge on pod#6. medications on admission: naproxen prn discharge medications: lovenox 30mg sq oxycodone 5-10mg po q4-6hr prn tylenol 650mg po q4hr prn discharge disposition: home discharge diagnosis: chondrosarcoma left femur discharge condition: good discharge instructions: you should maintain your touchdown weight bearing restrictions for your left leg. you may keep a dry dressing on your wound if it is draining or you may leave it open to air. you can shower but do not soak wound in a bathtub for at least 3 weeks. you should continue to use the lovenox injections until following up with dr. . please contact dr. with increased pain not controlled with your medications, fevers greater than 101 f, increased drainage or redness around your wound. followup instructions: you should follow up with dr. at the previous arranged appt. if an appt. has not yet been arranged please contact her clinic to arrange one for 2 weeks after the date of your surgery. procedure: partial hip replacement other partial ostectomy, femur bone graft, femur diagnoses: other specified cardiac dysrhythmias malignant neoplasm of long bones of lower limb 

Answer: The patient is high likely exposed to