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: unresponsive, melena/brbpr major surgical or invasive procedure: s/p laparoscopic roux-en-y gastric bypass () upper endoscopy history of present illness: 52yo male s/p gastric bypass on presented to ed after sudden onset brbpr. pt had 1 episode of melena accompanied by fatigue and chills on the day prior to admission, but denied any abd pain, n/v, fever, or lightheadedness at that time. on the day of admission pt was found unresponsive on bathroom floor in pool of blood by wife. ems found pt to be somnolent and ashen with a large amount of brb at the scene and initially no femoral pulse or bp were obtainable. he received a 1l ns bolus on the way to the ed. a femoral cordis line was placed in the ed and the pt was given 3 units of prbcs and 4l ns as well as 40mg iv protonix, 50mg iv fentanyl in the er. past medical history: -gastric bypass by dr. at -htn - noncompliant with amlodipine social history: married; lives with wife and 2 sons; works as a city clerk; rare etoh (~1 drink/mo); denies tobacco, drug use family history: father died of colon ca at age 59 physical exam: t 95.5 p 77 bp 109/54 o2sat 100% 10l nrb gen - somnolent but easily arousable, a&ox3, nad heent - pupils 3mm and reactive b/l, sclerae anicteric, moist mm, op clear neck - jvp difficult to assess body habitus pulm - ctab, good respiratory effort cv- rrr with some ectopy, no murmur/rub/gallop abd- + bs, obese, soft, nt, no hepatosplenomegaly palpable, 3 small laparoscopy surgical scars rectal- bright red blood per ed extrem- feet warm and well-perfused, no le edema pertinent results: 08:35am blood hct-27.4* 02:11pm blood hct-26.7* 01:07pm blood hct-26.8* 05:25am blood wbc-7.2 rbc-2.51* hgb-7.8* hct-21.8* mcv-87 mch-31.2 mchc-35.9* rdw-15.3 plt ct-165 01:36pm blood pt-11.7 ptt-26.8 inr(pt)-1.0 01:59am blood pt-12.8 ptt-30.4 inr(pt)-1.1 05:25am blood pt-13.5* ptt-26.3 inr(pt)-1.2* 05:25am blood fibrino-212 05:08am blood glucose-126* urean-10 creat-0.9 na-140 k-3.4 cl-111* hco3-23 angap-9 08:20am blood glucose-112* urean-21* creat-1.0 na-144 k-3.9 cl-115* hco3-23 angap-10 01:59am blood alt-18 ast-15 alkphos-31* amylase-43 totbili-0.8 08:20am blood alt-17 ast-15 ld(ldh)-113 ck(cpk)-50 alkphos-31* amylase-26 totbili-0.8 08:20am blood lipase-23 08:20am blood ck-mb-2 ctropnt-<0.01 05:03pm blood ck-mb-notdone ctropnt-<0.01 01:59am blood ctropnt-<0.01 05:08am blood albumin-2.7* calcium-7.3* phos-3.1 mg-2.0 08:20am blood albumin-2.5* calcium-6.9* phos-1.9* mg-1.7 05:25am blood asa-neg ethanol-neg acetmnp-neg bnzodzp-neg barbitr-neg tricycl-neg 08:41am blood lactate-0.8 05:40am blood glucose-136* lactate-2.6* na-140 k-3.7 cl-109 05:40am blood hgb-8.1* calchct-24 o2 sat-85 cohgb-2.1 methgb-0.3 05:40am blood freeca-1.04* brief hospital course: pt was given 3 units of prbcs and 4l ns for resusitation in the ed and admitted to the micu where he was npo, having serial hct q4hr, a 4th unit of prbcs, iv ppi, and close monitoring with 2 large bore ivs. pt got an egd which showed 2 ulcers, 1x1am and 1x2cm near the anastomosis from his prior gastric bypass. the larger ulcer had an adherent clot underneath which there was a visible vessel and more clot. bicap was applied to cauterize. there was no bleeding noted at the conclusion of the egd. kub and cxr post-procedure revealed no free air in the abdomen. pt's hct went from 21.8 on admission to 26 after his transfusions. pt remained npo with maintenance ivf, electrolyte replacement, and serial hct until hd# 3. pt had no further bleeding and was hemodynamically stable and was transferred to a monitored floor bed on hd#3. the pt began taking sips and then clears by mouth on hd#3. he was able to take in a stage iii diet and oral ppi medication on hd#4 and his hct was stable at 27.6 and 27.4. the pt was sent home on a ppi and instructed to f/u with his surgeon within a week or to call sooner if her experienced any further bleeding. medications on admission: none discharge medications: 1. lansoprazole 30 mg susp,delayed release for recon sig: one (1) dose po bid (2 times a day). disp:*60 dose* refills:*2* discharge disposition: home discharge diagnosis: upper gi bleed (bleeding ulcer at gastric-jejunal anastomosis) discharge condition: good discharge instructions: please call you doctor if you experience any of the following: - fever >101 - blood with bowel movements or blood in vomit - dizziness or lightheadedness - persistent nausea and vomiting - inability to eat or drink - severe abdominal pain - any other questions or concerns please take your medications as prescribed. please also take a chewable multivitamin, like flintstones, daily. please follow up with dr. . please remain on stage iii diet until you follow up with your doctor. do not self-advance your diet. also, do not chew gum or drink out of a straw. followup instructions: please call dr. and make a follow up appointment within the next week. procedure: venous catheterization, not elsewhere classified endoscopic control of gastric or duodenal bleeding diagnoses: other shock without mention of trauma chronic or unspecified gastrojejunal ulcer with hemorrhage, without mention of obstruction 

Answer: The patient is high likely exposed to