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: brain tumor major surgical or invasive procedure: - suboccipital decompression and 4th ventricle mass resection history of present illness: the patient is a 33-year-old young male who recently presented to my office after a tumor was found on imaging workup for vertigo. the patient presents with an approximately 1 x 2 cm lesion of the fourth ventricle occluding the obex. the patient is in need of a histopathological diagnosis, as well as a tumor debulking to obtain a histopathological diagnosis for further treatment options. the patient was extensively counseled. the patient was consented. the patient is taken electively to the or. past medical history: htn social history: lives with wife, no , social etoh family history: no h/o brain tumors physical exam: on admission: avss alert and oriented rrr no murmurs lungs clear no neurologic deficits on discharge: avss alert and oriented perrla r side facial droop otherwise cranial nerves are intact - is able to sufficiently close his r eye and shows motor strength in cranial nerve vii distribution but it is weakened. residual b ue dysmetria with finger to nose that has improved during his hospitalization. walking without problem. otherwise has no other deficiencies. has c collar inplace. wound is without erythema, exudate, or fluctuance. staples are in good position. pertinent results: mri status post resection of posterior fossa fourth ventricular mass with expected post-operative changes and pneumocephalus. no residual enhancing mass is identified. ct scan 1. status post resection of an intraventricular lesion just inferior to the fourth ventricle. small amount of residual high-density could represent a focal hemorrhage at the operative site. 2. expected postoperative pneumocephalus and intraventricular air. 05:30am blood wbc-12.9* rbc-4.06* hgb-12.4* hct-36.4* mcv-90 mch-30.5 mchc-34.1 rdw-13.6 plt ct-248 05:30am blood pt-12.5 ptt-23.9 inr(pt)-1.1 05:30am blood glucose-134* urean-12 creat-0.8 na-141 k-3.9 cl-102 hco3-29 angap-14 05:30am blood calcium-9.2 phos-3.6 mg-2.0 brief hospital course: patient was taken to the operating room and tolerated the procedure well. post operatively he was extubated and transferred to the icu. his pain was controlled and was given steroids for swelling. he had nausea that was controlled with iv meds and eventually resolved. additionally he had b ue dysmetria on finger to nose. on pod3 it was noticed that he had a right facial droop. he was changed to a soft collar for concern that his hard collar may be impinging his r facial nerve at the level of the parotid. he was able to close his eyes and control his mouth. patient was otherwise walking, eating, and urinating without problem at discharge. he had adequate pain control on oral pain meds. medications on admission: atenolol 50' nifedipine 30' discharge medications: 1. bisacodyl 5 mg tablet, delayed release (e.c.) sig: two (2) tablet, delayed release (e.c.) po daily (daily) as needed. disp:*30 tablet, delayed release (e.c.)(s)* refills:*0* 2. senna 8.6 mg tablet sig: 1-2 tablets po bid (2 times a day) as needed for constipation. disp:*60 tablet(s)* refills:*0* 3. docusate sodium 100 mg tablet sig: one (1) tablet po twice a day: take while using pain medications. disp:*60 tablet(s)* refills:*2* 4. nifedipine 30 mg tablet sustained release sig: one (1) tablet sustained release po qhs (once a day (at bedtime)). 5. sodium chloride 0.65 % aerosol, spray sig: sprays nasal qid (4 times a day) as needed. 6. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4-6h () as needed. disp:*60 tablet(s)* refills:*0* 7. camphor-menthol 0.5-0.5 % lotion sig: one (1) appl topical tid (3 times a day) as needed. 8. saline sensitive eyes drops sig: miscellaneous five times a day. 9. atenolol 50 mg tablet sig: one (1) tablet po at bedtime. discharge disposition: home discharge diagnosis: 4th ventricle mass discharge condition: stable discharge instructions: keep incision clean and dry. okay to shower one week after surgery. do not immerse the wound for at least 4 weeks. wear cervical collar at all times except when bathing. call or come back in if you have fevers, chills, increasing pain, drainage from wound, redness around wound or any other concerns. if weakness of r side of face is worsening then call or come back in. use eye drops as needed for dry right eye. you need to have your staples out in 14 days from surgery. you can have your pcp remove them or come into dr. office so a nurse can remove them. followup instructions: follow up with dr. in weeks with mri of brain. please call ( for an appointment. follow up with your pcp as needed for blood pressure control. procedure: other operations on extraocular muscles and tendons other excision or destruction of lesion or tissue of brain other repair of cerebral meninges diagnoses: unspecified essential hypertension benign neoplasm of brain 

Answer: The patient is high likely exposed to