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: headaches major surgical or invasive procedure: suboccipital craniotomy for chiari decompression history of present illness: 45 year old woman who presents to the office today with complaints of left arm pain. in addition, she has been experiencing progressive memory loss and visual loss. the patient states that for the past 5 years she has been "seeing spots" with coughing episodes. the patient states that for the past 2 months she has experiences left hand and arm weakness, numbness, and poor coordination. she describes her left hand /left arm numbness as "electrical" pulses. she has left arm, wrist continuous ache. she states that she notices difficulty with balance and coordination when standing still. she begins to sway and her head will shake slightly. in addition, she reports progressive memory issues that are daily for the past three years. the patient frequently forgets names, dates, and tasks that she should complete. she experiences neck and low back pain periodically. the patient denies any change in her general health over the past year, history of migraine headache. she states that in the past she has experienced headache but not for the past 4 years since the time that her antihypertensive medication was initiated. past medical history: hypertension, hepatitis c, sleep apnea in initial work up. social history: smokes 1ppd family history: nc physical exam: gen: comfortable, nad. heent: pupils: 4-3mm bilaterally eoms: intact neck: supple. extrem: warm and well-perfused. neuro: mental status: awake and alert, cooperative with exam, normal affect. orientation: oriented to person, place, and date. recall: objects at 5 minutes. language: speech fluent with good comprehension and repetition. naming intact. no dysarthria or paraphasic errors. cranial nerves: i: not tested ii: pupils equally round and reactive to light, 4 to 3 mm bilaterally. visual fields are full to confrontation. iii, iv, vi: extraocular movements intact bilaterally without nystagmus. v, vii: facial strength and sensation intact and symmetric. viii: hearing intact to voice. ix, x: palatal elevation symmetrical. : sternocleidomastoid and trapezius normal bilaterally. xii: tongue midline without fasciculations. motor: normal bulk and tone bilaterally. no abnormal movements, tremors. strength full power except left biceps/triceps/grip 4+/5. no pronator drift sensation: intact to light touch bilaterally. toes downgoing bilaterally no clonus no hoffmans on discharge: l arm subjective weakness and numbness in fingers otherwise intact pertinent results: mri head 1. chiari malformation is visualized with cerebellar tonsils 15 mm below the level of foramen magnum with a syrinx in the upper cervical spinal cord extending from c2 inferiorly with the inferior extent not visualized on the current study but was seen on the previous outside cervical spine mri of . 2. csf flow imaging demonstrates absence of flow posterior and inferior to the tonsils and upper cervical spinal cord, but bidirectional flow is maintained anteriorly indicating moderate craniocervical csf flow obstruction. 2. no evidence of enhancing brain lesions, mass effect, or hydrocephalus. mri head 1. status post suboccipital craniotomy and c1 laminectomy for chiari malformation, with expected postsurgical changes including a small amount of fluid in the surgical site. 2. no evidence of acute infarction. 3. stable tonsillar fullness of the foramen magnum and syrinx in the upper cervical cord. brief hospital course: pt was admitted to the neurosurgery service and underwent suboccipital craniotomy for chiari decompression. she tolerated the procedure well with no complications. she was transferred to the icu for further care including sbp control and q1 neuro checks. her post op exam remained stable. she was transferred to the floor in stable condition on pod#1. she was tolerating a po diet and was able to get oob without difficulty. she complained of headache and she was started on fioricet with good relief. on pod 2 she was continued to improve, was ambulatory in teh halls, and was deemed fit for discharge. her central line was discontinued and she was given instructions for followup as well as prescriptions for all required medications. medications on admission: hctz 25mg qd, clonazepam prn, ambien 10mg qhs, motrin prn discharge medications: 1. acetaminophen 325 mg tablet sig: 1-2 tablets po q6h (every 6 hours) as needed for fever or pain. 2. clonazepam 1 mg tablet sig: one (1) tablet po tid prn () as needed for anxiety. 3. hydrochlorothiazide 12.5 mg capsule sig: two (2) capsule po daily (daily). 4. zolpidem 5 mg tablet sig: two (2) tablet po hs (at bedtime). 5. butalbital-acetaminophen-caff 50-325-40 mg tablet sig: tablets po q4h (every 4 hours) as needed for headache. disp:*90 tablet(s)* refills:*0* 6. erythromycin 5 mg/gram (0.5 %) ointment sig: 0.5 inch ophthalmic (2 times a day) for 5 days: instill 0.5 inches of ointment into each eye twice a day. disp:*1 tube* refills:*0* discharge disposition: home discharge diagnosis: chiari malformation discharge condition: aox3. activity as tolerated. no lifting greater than 10 pounds. 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. ?????? 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. ??????please call ( to schedule an appointment with dr. , to be seen in 4 weeks. ??????you will need a ct scan of the brain without contrast. procedure: other exploration and decompression of spinal canal other repair of cerebral meninges diagnoses: obstructive sleep apnea (adult)(pediatric) tobacco use disorder unspecified essential hypertension chronic hepatitis c without mention of hepatic coma compression of brain anxiety state, unspecified tear film insufficiency, unspecified 

Answer: The patient is high likely exposed to