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: hematemesis. major surgical or invasive procedure: egd. history of present illness: 30 y/o m with pmhx of anxiety and substance abuse who presented to c/o multiple episodes of hematemesis and coffee-ground emesis that began 12hrs prior to presentation. he reports decreased appetite on sat with some etoh consumption and cocaine use. on sat evening, he had one episode of dark purple emesis that he attributed to grapes that he had eaten early in the day. of note, he also reported dark black stool that began recently and he has been taking aspirin up to three times/day for headache this week. on sunday morning, he had 12 episodes of emesis, both coffee grounds and later bright red blood in his emesis. he had palpitations and was concerned about the bleeding so he presented to er for evaluation. he was notably tachycardic in 130s, normotensive and had one witnessed episode of bloody emesis. hct was 45 and pt was transfused 1u of prbcs for hct 45 prior to transfer to er. . in the ed, initial vs were: t 97 hr 130 bp 119/63 rr 18 sats 97% ra. gi was consulted and recommended starting a ppi & octreotide gtt. pt was c/o mild abdominal pain with mild transaminitis and tbili 1.7. he received 4l ns ivf and tylenol 1 gram po with some hr response. . on arrival to the micu, pt was comfortable lying in bed. he is denying abd pain, nausea, lightheadedness, palpitations or chest pain. past medical history: etoh abuse with h/o withdrawal (?seizure) polysubstance abuse anxiety d/o with panic attacks social history: pt lives with his fiance and has a history of etoh abuse, including withdrawl and possible seizure. he reports remote ivdu and occaisional cocaine abuse. family history: non-contributory. physical exam: general: alert, oriented, no acute distress heent: sclera anicteric, mmm, oropharynx clear neck: supple, jvp not elevated, no lad lungs: clear to auscultation bilaterally, no wheezes, rales, ronchi cv: regular rate and rhythm, normal s1 + s2, no murmurs, rubs, gallops abdomen: soft, non-tender, non-distended, bowel sounds present, no rebound tenderness or guarding, no organomegaly gu: no foley ext: warm, well perfused, 2+ pulses, no clubbing, cyanosis or edema pertinent results: on admission: 06:55pm wbc-20.6* rbc-4.44* hgb-13.8* hct-40.1 mcv-90 mch-31.1 mchc-34.5 rdw-13.0 06:55pm neuts-91.3* lymphs-6.6* monos-1.0* eos-0.8 basos-0.3 06:55pm plt count-236 06:55pm pt-12.4 ptt-27.3 inr(pt)-1.0 06:55pm glucose-121* urea n-45* creat-0.7 sodium-138 potassium-4.8 chloride-100 total co2-28 anion gap-15 06:55pm alt(sgpt)-91* ast(sgot)-60* ck(cpk)-47 alk phos-83 tot bili-1.9* 06:55pm lipase-14 06:55pm lipase-14 06:55pm ctropnt-<0.01 06:55pm ck-mb-notdone 06:55pm asa-neg ethanol-neg acetmnphn-neg bnzodzpn-neg barbitrt-neg tricyclic-neg 08:30pm urine bnzodzpn-neg barbitrt-neg opiates-pos cocaine-pos amphetmn-neg mthdone-neg 08:30pm urine color-yellow appear-clear sp -1.021 08:30pm urine blood-lg nitrite-neg protein-tr glucose-neg ketone-15 bilirubin-neg urobilngn-neg ph-5.0 leuk-neg 08:30pm urine rbc-* wbc-0-2 bacteria-rare yeast-none epi-0 08:30pm urine hyaline-* . egd: coffee grounds in the whole stomach no blood was seen in the duodenum. small hiatal hernia mucosa suggestive of barrett's esophagus esophageal erythema brief hospital course: 30 y/o m with pmhx of polysubstance abuse who presents with gi bleed and leukocytosis. . # gi bleed: etiology was initially unclear unclear though likely upper source. h/o nsaid use with etoh suggest gastritis and possibly esophageal tear with violent recurrent emesis on sunday morning. hct stable in 40s and now s/p 1u prbcs from . variceal bleed less likely given stable hct and pt refusing guiaic but reporting black stools at home. tachycardia has resolved with ivf, now normotensive and comfortable. he underwent egd, which showed - tear. he received 1 rbc unit and did not bump hct from 30 to 30. patient was aware that he was still bleeding and still decided to sign out ama. he was advided to come back if vomiting/melena recurred, lightheadedness, or anything else that concenred him. he wa able to repeat to us with his own words the risks of leaving ama. . # leukocytosis: suspect stress response to upper gi bleed vs gi illness causing vomiting/diarrhea. low grade temp at but denies any other infectious symptoms on ros. cultures were pending at time of discharge. . # polysubstance abuse: pt with long h/o substance abuse and significant h/o etoh but reports decreased use over last 6mths. pt was going to be seen by social work, but left ama. medications on admission: xanax prn asa prn discharge medications: none. left ama. discharge disposition: home discharge diagnosis: left ama. discharge condition: left ama. discharge instructions: left ama. followup instructions: left ama. procedure: other endoscopy of small intestine diagnoses: anemia, unspecified diaphragmatic hernia without mention of obstruction or gangrene cocaine abuse, episodic personal history of noncompliance with medical treatment, presenting hazards to health gastroesophageal laceration-hemorrhage syndrome tachycardia, unspecified barrett's esophagus leukocytosis, unspecified acute alcoholic intoxication in alcoholism, continuous panic disorder without agoraphobia 

Answer: The patient is high likely exposed to