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: code: full allergies: nkda pt is year old male presented to ed yesterday afternoon after having brbpr x 2. in ed additional episodes of brbpr as well as melena. hct trending downward 40.7/36.8/30. received 2l ns in ed. pt down to red tag study where active bleeding site found. transferred to micu where evaluated by ir, soon after pt went down to ir for possible coiling of active bleeding site however unable to locate. ordered to be preped for colonoscopy this am, if bleeding increases will go down to ir for another look. neuro: pt a&o x 3, pleasant, consistently following commands, mae, denies pain. pt noted to be hoh, hearing aid to right ear. cv: hemodynamically stable despite numerous bowel movements of brb, hr 60-70 nsr no ectopy noted, nbp 100-130/50-60. peripheral pulses dopplerable. post cath pt is to keep right leg straight for at least 6 hours, also not to elevate head off pillow. 0600 hct pending, next due at 1000. piv x 2. afebrile. resp: rr teens with sats >95% on ra, lung sounds clear in all fields. pt with strong cough/gag. gi: bs x 4, multiple small to medium bloody stools, rectal tube inserted and draining well. pt ordered for colonoscopy prep. advance diet as tolerated after colonoscopy. gu: foley inserted and draining adequate amounts of clear, yellow urine. am labs pending. ivf running at 150cc/hr skin: small pink area noted to coccyx, angio site c/d/i. procedure: colonoscopy arteriography of other intra-abdominal arteries diagnoses: esophageal reflux pure hypercholesterolemia unspecified essential hypertension atrial fibrillation personal history of malignant neoplasm of bladder hemorrhage of gastrointestinal tract, unspecified diverticulosis of colon (without mention of hemorrhage) 

Answer: The patient is high likely exposed to