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: abdominal pain major surgical or invasive procedure: - lysis of adhesions and ileocecectomy. history of present illness: 66m with history of colon ca s/p lar, chemotherapy, and radiation in , has had intermittent abdominal pain with concern for obstruction and multiple ed visits with a few admissions for partial small bowel obstructions that seem to be getting more frequent. he was last admitted and was seen by dr. in clinic at which time they scheduled surgery for later in . he started developing his typical abdominal pain and absence of flatus at 7pm . stated he only had a small amount of soft foods for meal but also that he has eaten a lot less recently. he is only mildly nauseated, no vomitting. he states his pain is diffuse in his abdomen, crampy and occasionally burning. however, feels fairly well and is not as bad as his last attack. past medical history: arrythmia/palpitations colorectal cancer s/p chemotherapy and radiation in s/p lar in 3/96 s/p removal of port-a-cath in 9/96 social history: the patient is single. he does not smoke and drinks rarely. he has a step-child. he repairs cars in a garage. family history: the patient's mother died of some sort of cancer. a first cousin had rectal cancer at the age of 68 and his father died at the age of 40 of unknown cause. physical exam: at discharge: v.s: 98.1, 80, 103/64, 20, 98% ra pe: afebrile, nontachycardic, normal vitals gen: no distress, alert and oriented x 3 heent: perla, eomi, anicteric, dry mucus membranes neck: supple, no lad chest: rrr, no murmurs, lungs clear bilaterally abd: soft, +bs, incision with staples, distal aspect with staples removed and w-d dsg. ext: palplable pulses, no edema pertinent results: 01:20am blood wbc-9.5# rbc-4.46* hgb-15.3 hct-42.1 mcv-95 mch-34.4* mchc-36.3* rdw-12.9 plt ct-259 08:46am blood wbc-7.7 rbc-3.11* hgb-10.5* hct-29.9* mcv-96 mch-33.8* mchc-35.1* rdw-13.4 plt ct-287 01:20am blood glucose-105 urean-15 creat-1.2 na-140 k-3.7 cl-102 hco3-29 angap-13 05:16am blood glucose-103 urean-17 creat-0.7 na-139 k-3.9 cl-108 hco3-26 angap-9 03:56am blood hbsag-negative hbcab-negative hav ab-positive 03:56am blood hcv ab-negative . abdomen (supine & erect) study date of : impression: slightly more extensive appearance of dilated small bowel loops and air-fluid levels compared to 11 days prior, and again concerning for small-bowel obstruction, either early or partial. . pathology examination: intestinal foreign body, ileo cecectomy. diagnosis: i. intestinal foreign body; confirmed by gross examination. ii. ileocecectomy: 1. marked peritoneal fibrosis adhesions, attached to ileum. 2. hemorrhagic infarction of the ileum, ranging from mural to mucosal (at margin). 3. colonic segment, within normal limits. 4. vermiform appendix, with partial obliteration. 5. no tumor. brief hospital course: mr. is a 66yo m admitted for management of abdominal pain. he had a x-ray of his abdomen and was initially npo with iv fluid hydration, iv antibiotics, and prn morphine iv. his abdominal pain improved slightly, and he was able to tolerate clear liquids. a picc line was inserted on hd5 (), and tpn was started as supplemental nutrition. he had surgery on for ex-lap, loa and ileocecectomy. . * atrial fibrillaiton with rvr: while on the floor in the am of , he developed atrial fibrillation with rvr to 140's, likely secondary to holding of home atenolol in setting of bowel surgery. he was transferred to the micu and started on diltiazem gtt at 5mg/hr with little effect on heart rate and systolic blood pressures in the 70-80's though patient was asymptomatic. bolused a total of 2l ns without significant effect. of note, patient unable to take po medication as he was post-operative from bowel surgery. given lack of response to diltiazem drip, it was stopped and patient was loaded with digoxin 0.5mg iv followed up 0.25mg q6h for 2 doses. he was transferred to 5 and his was controlled with metoprolol succinate xl . * s/p bowel surgery: pt's pain was controlled by a pca and his diet continued to be npo. with the return of bowel function the patient was started on sips advanced to low residue diet as tolerated and oral medications were restarted. tpn was also d/c'd when pt was able to meet caloric needs orally. pt c/o loose stool, c.diff cultures were sent x2- negative. distal aspect of pt's incision was opened at bedside on pod9 serous drainage, pt d/c'd with vna for w-d dsging changes. . prior to discharge wound care and medications were reviewed with pt and his picc line was removed. pt will follow up with dr. in weeks to have his staples removed. medications on admission: atenolol 50, vicodin, prilosec 20, viagra 100 prn, glucosamine, mvi, fibercon discharge medications: 1. omeprazole 20 mg capsule, delayed release(e.c.) sig: one (1) capsule, delayed release(e.c.) po daily (daily). 2. multivitamin tablet sig: one (1) tablet po daily (daily). 3. atenolol 50 mg tablet sig: one (1) tablet po once a day. 4. viagra 100 mg tablet sig: 1/2-1 tablet po prn. 5. hydrocodone-acetaminophen 5-500 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain for 2 weeks: do not exceed acteaminophen 4000 mg per day. . disp:*45 tablet(s)* refills:*0* 6. cholestyramine light 4 gram packet sig: . packet po bid (2 times a day). disp:*60 240 grams* refills:*2* 7. cephalexin 500 mg capsule sig: one (1) capsule po q6h (every 6 hours) for 1 weeks. disp:*28 capsule(s)* refills:*0* 8. erythromycin 5 mg/g ointment sig: one (1) both eyes ophthalmic (2 times a day) for 5 days. discharge disposition: home with service facility: vna discharge diagnosis: primary: small bowel obstruction, post-op atrial fibrillation, post-op wound infection, post-op dehydration r/t loose stools, negative c-dif x 2 . secondary: 1. colon cancer in , status post sigmoid colectomy and adjuvant chemotherapy and radiation therapy. per the patient's record his staging was t2, n1, m0. 2. barrett's esophagus and gerd. 3. history of recurrent small-bowel obstruction. 4. history of cardiac arrhythmia/paf. the patient reports that he takes atenolol for this as it appears to be stable. has never been anticoagulated discharge condition: stable. tolerating low residue diet. pain well controlled with oral medication. discharge instructions: please call your doctor or return to the er for any of the following: * if you are vomiting and cannot keep in fluids or your medications. * you are getting dehydrated due to continued vomiting, diarrhea or other reasons. signs of dehydration include dry mouth, rapid heartbeat or feeling dizzy or faint when standing. * you see blood or dark/black material when you vomit or have a bowel movement. * your pain is not improving within 8-12 hours or not gone within 24 hours. call or return immediately if your pain is getting worse or is changing location or moving to your chest or back. *avoid lifting objects > 5lbs until your follow-up appointment with the surgeon. *avoid driving or operating heavy machinery while taking pain medications. * you have shaking chills, or a fever greater than 101.5 (f) degrees or 38(c) degrees. * any serious change in your symptoms, or any new symptoms that concern you. * please resume all regular home medications and take any new meds as ordered. * continue to ambulate several times per day. . incision care: -your staples will be removed at your follow up appointment and steri strips will be applied. -your steri-strips will fall off on their own. please remove any remaining strips 7-10 days after surgery. -you may shower, and wash surgical incisions. -avoid swimming and baths until your follow-up appointment. -please call the doctor if you have increased pain, swelling, redness, or drainage from the incision sites. followup instructions: 1. please call dr. office to make an appointment in weeks, for removal of staples. 2. please call you pcp, , . , to make an appointment in 1 week or as needed. . scheduled appointments : 3. provider: , md phone: date/time: 1:30 4. provider: , md phone: date/time: 1:15 5. provider: , md phone: date/time: 10:00 md, procedure: venous catheterization, not elsewhere classified parenteral infusion of concentrated nutritional substances other lysis of peritoneal adhesions open and other right hemicolectomy diagnoses: esophageal reflux other postoperative infection cellulitis and abscess of trunk cardiac complications, not elsewhere classified atrial fibrillation paralytic ileus personal history of malignant neoplasm of large intestine dehydration acute vascular insufficiency of intestine removal of other organ (partial) (total) causing abnormal patient reaction, or later complication, without mention of misadventure at time of operation barrett's esophagus foreign body in intestine and colon foreign body accidentally entering other orifice intestinal or peritoneal adhesions with obstruction (postoperative) (postinfection) meckel's diverticulum 

Answer: The patient is high likely exposed to