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: bactrim ds attending: chief complaint: lgi bleed and acute blood loss anemia major surgical or invasive procedure: flexible sigmoidoscopy history of present illness: 46ym s/p pnbx presented to ed with lgi bleed and acute blood loss anemia pertinent results: hct:28->28->28->29->27 nl coags negetive flexible sigmoidoscopy brief hospital course: cc: hpi: 46ym s/p pnbx presents with painless brbpr x 5 hours. patient was in usual state of health, having recovered well from his biopsy, when he felt strong need to void and passed brbpr; describes approximately 5 episodes. in addition patient describes lightheadness and diaphoresis, however denies abdominal pain, f/c/n/v/luts/hematuria/cp or sob. he presented to the ed; he diaphoretic, tachycardic, hypotensive to sbps of 90s. hct was 35.4, nl coags. he was fluid resuscitated with 3l,1u prbc and administered protonix. at present patient has no complaints. pmh:htn gerd osa psh:lap choly meds:hctz, univasc, prilosec, asa 81 all:sulfa, mussels sh:no smoking, etoh exam 99.4 103 119/86 18 96ra nad, aaox3 tachy, s1s2 bcta soft, nd, nt, no sp ttp uncirc, nl phallus bilateral descended testicles no active bleeding, old clots, no hemorrhoids 138 105 16 152 agap=12 3.8 25 1.0 ck: 62 mb: notdone 11.2 12.0 295 35.4 -->33 pt: 13.1 ptt: 24.3 inr: 1.1 ekg:st, no ischemic changes a/p 46ym s/p pnbx with lgi bleed admit to sicu, dr. fluid resuscitation; 2 large bore iv peri access cross 2u prbcs serial hcts high dose protonix gi consult;aware admitted to micu. remained hd stable throughout course. received 1u rbc for hd instablity in the ed; no more throughout course. hct stable throughout course remaing around 28; dc hct 27. placed on hd ppi. gi, dr. , consulted; flex sigmoidoscopy performed, likely diverticular bleed per gi, however saw no source. hd3, as was hd stable, no more bloody bms, tolerating reg diet and making good urine, seen fit to be discharged home. is scheduled for colonscopy next week with dr. . discharge medications: 1. nulytely 420 g recon soln sig: one (1) pack po once for 1 doses: use as directed. disp:*1 pack* refills:*0* 2. protonix 40 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po once a day for 30 days. disp:*30 tablet, delayed release (e.c.)(s)* refills:*0* 3. ferrous gluconate qdaily discharge disposition: home discharge diagnosis: lower gastrointestinal bleed and acute blood loss anemia discharge condition: stable discharge instructions: no asa continue protonix enema prescribed for colonscopy next week. followup instructions: 1)gi: patient will have colonscopy next week. dr. is attending; resident dr , . 2)dr. , procedure: flexible sigmoidoscopy transfusion of packed cells diagnoses: obstructive sleep apnea (adult)(pediatric) esophageal reflux unspecified essential hypertension acute posthemorrhagic anemia malignant neoplasm of prostate diverticulosis of colon with hemorrhage 

Answer: The patient is high likely exposed to