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: no known allergies / adverse drug reactions attending: chief complaint: skull mass at vertex of head major surgical or invasive procedure: bilateral craniotomy bilateral cranioplasty history of present illness: 23 y/o m with skull mass at vertex of head presetns for elective bilateral craniotomy and bilateral cranioplasty. past medical history: shoulder surgery, bipolar, insomnia social history: +tobacco and etoh family history: nc physical exam: on discharge: nonfocal brief hospital course: 23 y/o m with no significant past medical history presents for elective bilateral craniotomies for resection of skull lesion at vertex. he was taken to the or on . he was extubated in the or however did not wake up enough to adequately protect his airway so he was reintubated and trasnfered to the icu for further management and care. he was extubated shortly after arrival to the icu and post-operative head ct showed expected post-operative change. on he was doing quite well and was deemed fit for transfer to the floor. he also underwent an mri scan on which showed expected post-surgical changes. on he was ambulatory in the halls, his pain was well controlled, and he was deemed fit for discharge to home. he was given instructions for follow-up and discharged. medications on admission: mvi, lamictal, melatonin discharge medications: 1. oxycodone 5 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain. disp:*90 tablet(s)* refills:*0* 2. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). disp:*60 capsule(s)* refills:*0* 3. lamotrigine 25 mg tablet sig: two (2) tablet po bid (2 times a day). 4. acetaminophen 325 mg tablet sig: two (2) tablet po q6h (every 6 hours) as needed for pain fever > 101.4. 5. cephalexin 500 mg capsule sig: one (1) capsule po q6h (every 6 hours) for 6 days. disp:*24 capsule(s)* refills:*0* discharge disposition: home discharge diagnosis: skull mass at vertex of head discharge condition: mental status: clear and coherent. level of consciousness: alert and interactive. activity status: ambulatory - independent. discharge instructions: ?????? have a friend/family member check your incision daily for signs of infection. ?????? take your pain medicine as prescribed. ?????? exercise should be limited to walking; no lifting, straining, or excessive bending. ?????? if you have dissolvable sutures you may wash your hair and get your incision wet day 3 after surgery. you may shower before this time using a shower cap to cover your head. ?????? if your wound was closed with staples or non-dissolvable sutures then you must wait until after they are removed to wash your hair. you may shower before this time using a shower cap to cover your head. ?????? increase your intake of fluids and fiber, as narcotic pain medicine can cause constipation. we generally recommend taking an over the counter stool softener, such as docusate (colace) while taking narcotic pain medication. ?????? unless directed by your doctor, do not take any anti-inflammatory medicines such as motrin, aspirin, advil, and ibuprofen etc. ?????? clearance to drive and return to work will be addressed at your post-operative office visit. ?????? make sure to continue to use your incentive spirometer while at home, unless you have been instructed not to. call your surgeon immediately if you experience any of the following ?????? new onset of tremors or seizures. ?????? any confusion or change in mental status. ?????? any numbness, tingling, weakness in your extremities. ?????? pain or headache that is continually increasing, or not relieved by pain medication. ?????? any signs of infection at the wound site: redness, swelling, tenderness, or drainage. ?????? fever greater than or equal to 101?????? f. followup instructions: follow-up appointment instructions ??????please return to the office in days(from your date of surgery) for removal of your staples/sutures and/or a wound check. this appointment can be made with the nurse practitioner. please make this appointment by calling . if you live quite a distance from our office, please make arrangements for the same, with your pcp. ??????follow up with dr. and dr. in the btc on on 09:30a. procedure: pressurized treatment of venous bypass graft [conduit] with pharmaceutical substance excision of lesion of skull other cranial osteoplasty diagnoses: tobacco use disorder disorder of bone and cartilage, unspecified 

Answer: The patient is high likely exposed to