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: codeine attending: chief complaint: recurrent diverticulitis refractory to medication treatment major surgical or invasive procedure: left colectomy with takedown of the splenic flexure ex-lap/loa/repair anastomotic leak/washout/diverting transverse colostomy history of present illness: this 47 year old gentleman has had several episodes of diverticulitis. he has documented disease with very significant diverticula throughout the sigmoid colon. the most recent attack seems to be at the junction of the descending and sigmoid colon. of note is that the patient has had a right colectomy for a perforated right colon diverticulum in the past, making this somewhat more challenging. however, he has had multiply recurrent disease and wishes to have surgical treatment. past medical history: diverticulitis, s/p r colectomy for prior perforation gerd social history: + ppd tobacco + occasional etoh no other drug use family history: nc physical exam: 96.7 76 119/76 20 95%ra a&ox3, nad heent wnl neck supple, no lad, no thyromegaly chest ctab cv rrr nls1s2 abd soft, nondistended, +bs. diffuse ttp llq. no masses appreciated ext wwp without edema pertinent results: 07:20am blood wbc-14.5* rbc-6.45* hgb-12.5* hct-39.3* mcv-61* mch-19.3* mchc-31.7 rdw-15.7* plt ct-245 07:20am blood plt ct-245 03:54pm blood pt-16.7* ptt-25.2 inr(pt)-1.9 07:20am blood glucose-134* urean-11 creat-0.8 na-139 k-4.5 cl-102 hco3-26 angap-16 07:20am blood calcium-8.8 phos-3.1 mg-1.9 03:54pm blood wbc-5.6 rbc-7.09* hgb-13.4* hct-41.6 mcv-59* mch-18.9* mchc-32.1 rdw-16.1* plt ct-386# 08:01pm blood wbc-10.3# rbc-6.45* hgb-12.5* hct-37.9* mcv-59* mch-19.3* mchc-32.9 rdw-16.3* plt ct-401 03:02am blood wbc-20.2*# rbc-6.44* hgb-12.4* hct-38.0* mcv-59* mch-19.3* mchc-32.7 rdw-16.8* plt ct-436 04:21am blood wbc-15.2* rbc-4.86# hgb-9.6* hct-28.6* mcv-59* mch-19.8* mchc-33.7 rdw-16.8* plt ct-368 04:53am blood wbc-11.8* rbc-5.16 hgb-9.3* hct-30.6* mcv-59* mch-18.1* mchc-30.5* rdw-18.3* plt ct-521* brief hospital course: pt was admitted to the colorectal surgery service through same day surgery and was taken to the operating room with dr. on for a left colectomy with takedown of the splenic flexure. see operative report for details. an epidural catheter was placed for postoperative pain control. he tolerated the surgery well and was transferred to the pacu. he recovered for the usual amount of time and was transferred to the surgical floor when he met the appropriate criteria. postoperatively his diet was slowly advanced, however, by postoperative day 3 he developed a postoperative ileus and an ng tube was placed. after output had decreased and patient improved clinically, the ng tube was removed and his diet was again advanced slowly. on postoperative day 9 he had an acute increase in abdominal pain unrelieved by pain medication. kub showed free air and pt. was taken immediately to the or for exploratory laparotomy. see operative report for details. anastomotic leak was found and repaired, also diverting transverse loop colostomy was created. pt was thought to have aspirated during induction of anesthesia, and so her was left intubated and sedated and transferred to the sicu postoperatively. he was started on antibiotics and transferred to the surgical floor, where his diet was slowly advanced, the ostomy began to function, and he continued to improve clinically. he continued to have mild abdominal distention, and a ct scan showed a subcutaneous fluid collection as well as a small intraabdominal fluid collection. a needle aspiration of the subcutaneous fluid collection was attempted but no fluid was returned. he remained afebrile and was discharged on a regular diet. he will follow-up with dr. . medications on admission: none discharge medications: 1. ibuprofen 600 mg tablet sig: one (1) tablet po q8h (every 8 hours) for 4 weeks. disp:*84 tablet(s)* refills:*0* 2. levofloxacin 500 mg tablet sig: one (1) tablet po q24h (every 24 hours) for 2 weeks. disp:*14 tablet(s)* refills:*0* 3. metronidazole 500 mg tablet sig: one (1) tablet po tid (3 times a day) for 2 weeks. disp:*42 tablet(s)* refills:*0* 4. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po every 4-6 hours as needed for 4 weeks. disp:*60 tablet(s)* refills:*0* 5. hydromorphone 2 mg tablet sig: 1-2 tablets po q2-3h (every 2-3 hours) as needed for breakthrough pain for 4 weeks. disp:*60 tablet(s)* refills:*0* discharge disposition: home with service facility: southshore vna discharge diagnosis: sigmoid diverticulitis perforated anastomosis discharge condition: stable discharge instructions: take all medications as prescribed. keep all follow-up appointments. you may shower as you normally would, just pat the incision area dry afterwards. no soaking the incision area until further notice. no dressing should be needed. you may resume your usual diet and activities, although you should not drive until you are no longer taking narcotic pain medication, and you should not lift heavy objects. you can resume your usual home medications. you should also take an over the counter stool softener while you are taking the narcotic medications to prevent constipation. you should call your doctor or go to the emergency room if you experience: -increased abdominal pain, nausea, or vomiting -inability to pass gas or stool -increased redness or drainage from the incision site -fever or chills -chest pain or shortness of breath followup instructions: you should follow-up with dr. in weeks. call ( for an appointment. procedure: venous catheterization, not elsewhere classified parenteral infusion of concentrated nutritional substances insertion of other (naso-)gastric tube other lysis of peritoneal adhesions open and other sigmoidectomy exteriorization of large intestine peritoneal lavage diagnoses: esophageal reflux perforation of intestine peritoneal adhesions (postoperative) (postinfection) paralytic ileus seroma complicating a procedure diverticulitis of colon (without mention of hemorrhage) 

Answer: The patient is high likely exposed to