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: small bowel obstruction major surgical or invasive procedure: none history of present illness: mr. is an 87 year old male with a h/o parkinsons disease who presented to hospital today with a small bowel obstruction with pneumatosis coli indicative of bowel necrosis and respiratory failure requiring intubation who was transferred to for surgical evaluation. upon surgical evaluation, his overall condition was poor and he was deemed to be a very high risk surgical candidate. his ph at the outside hospital had been 6.93. his family reached a decision of dnr but several family members were to arrive prior to initiating comfort measures only. past medical history: parkinson disease recurrent utis frequent falls with old c1 fractures, shoulder injury, and prior left hip fracutre prostate cancer s/p prostectomy social history: patient lives at home with his wife does not drink, smoke, use iv drugs family history: non-contributory physical exam: vitals: 96.8, hr 120, 100/59, rr 24, saturation 92% general: sedated, intubated, unresponsive to verbal stimuli cardio: tachycardic without murmurs pulmonary: ctab anteriorly abdominal exam: extremely rigid extremities: no edema pulses: 2+ radial, carotids bilaterally pertinent results: 09:24pm type-art temp-36.6 po2-182* pco2-41 ph-7.14* total co2-15* base xs--14 intubated-intubated comments-green top 09:24pm glucose-136* lactate-5.7* k+-4.3 08:48pm lactate-6.2* 08:41pm urea n-42* creat-2.1* 08:41pm estgfr-using this 08:41pm lipase-59 08:41pm asa-neg ethanol-neg acetmnphn-neg bnzodzpn-neg barbitrt-neg tricyclic-neg 08:41pm asa-neg ethanol-neg acetmnphn-neg bnzodzpn-neg barbitrt-neg tricyclic-neg 08:41pm wbc-26.8* rbc-5.14 hgb-14.8 hct-47.0 mcv-92 mch-28.7 mchc-31.4 rdw-14.6 08:41pm pt-12.6* ptt-26.3 inr(pt)-1.2* 08:41pm plt count-268 08:41pm plt count-268 08:41pm fibrinoge-470* imaging from outside hospital includes ct abdomen and pelvis: ??????marked gaseous distension of entir colon with prominent fecal density??????pneumatosis of the ascending colon with gas extending into the smv and reaching the peripheral portal vein branches in the liver, worrisome for necrotic bowel.?????? brief hospital course: 87 year old male presents with severe acidemia, respiratory failure, small bowel obstruction, and pneumatosis coli indicative of visceral necrosis. as the patient was not a surgical candidate, medical prognosis was poor. following visits from concerned family members, and following discussion with patients' wife ), patient care was transistioned to focus care on comfort. patient expired quietly at 2:20 am on with many family members at the bedside. organ bank notified. attending notified. pcp . admitting and medical examiner notified. medications on admission: expired discharge medications: expired discharge disposition: expired discharge diagnosis: expired discharge condition: expired discharge instructions: expired followup instructions: expired md procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours diagnoses: acidosis unspecified essential hypertension unspecified septicemia severe sepsis personal history of malignant neoplasm of prostate depressive disorder, not elsewhere classified acute respiratory failure septic shock do not resuscitate status dementia in conditions classified elsewhere without behavioral disturbance acute vascular insufficiency of intestine unspecified intestinal obstruction dementia with lewy bodies other specified disorders of intestine 

Answer: The patient is high likely exposed to