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: lipitor / fruit flavor attending: chief complaint: abdominal pain major surgical or invasive procedure: 1. exploratory laparotomy 2. left colectomy. 3. end colostomy. 4. hartmann procedure. 5. appendectomy. history of present illness: 74 yo with acute onset lower abdominal pain and nausea, 12 hrs in duration. no nausea and vomiting, with loose brown stools, but no gross blood. no history of abdominal pain. pain began in lower abdomen and became more severe. past medical history: vasculitis, on prednisone uveitis cri (creatinine 1.7) htn glaucoma history of colitis brocheoalveolar ca t1, no psh tonsillectomy d and c x2 appy breast mass resection s/p vats r upper lobe social history: 30 pack year smoker family history: nc physical exam: on discharge: 97.5 97.6 64 126/78 16 96 ra nad rrr, s1,s2 lungs clear, no respiratory distress abd soft, non-distended, gas in osteomy, stoma is more pink, sloughing of necrotic tissue. no leg cords pertinent results: urine culture (final ): no growth. blood culture, routine (final ): no growth. 6:00 am swab site: peritoneal fluid should not be sent in swab transport media. submit fluids in a capped syringe (no needle), red top tube, or sterile cup. gram stain (final ): 2+ (1-5 per 1000x field): polymorphonuclear leukocytes. 2+ (1-5 per 1000x field): gram negative rod(s). 1+ (<1 per 1000x field): gram positive rod(s). reported by phone to 08:30am. fluid culture (final ): due to mixed bacterial types (>=3) an abbreviated workup is performed; p.aeruginosa, s.aureus and beta strep. are reported if present. susceptibility will be performed on p.aeruginosa and s.aureus if sparse growth or greater.. pseudomonas aeruginosa. rare growth. sensitivities: mic expressed in mcg/ml _________________________________________________________ pseudomonas aeruginosa | cefepime-------------- 2 s ceftazidime----------- 2 s ciprofloxacin---------<=0.25 s gentamicin------------ <=1 s meropenem-------------<=0.25 s piperacillin---------- 8 s piperacillin/tazo----- 8 s tobramycin------------ <=1 s anaerobic culture (preliminary): mixed bacterial flora-culture screened for b. fragilis, c. perfringens, and c. septicum. mrsa screen (final ): no mrsa isolated. brief hospital course: following surgery, the patient was admitted to the surgical service on . the patient was admitted to the icu for observation for acidosis of 7.2 acidosis resolve with fluid repletion. pressors were needed initially post-op and also weaned off. extubation was achieved on pod 1. the patient was weaned to 3l nc. flatus was noted in the osteomy bag on pod2. the patient stabilized and was transferred tp the floor. presnisone dose was tapered from stress dose levels. pain was controlled with a dilautid pca. osteomy nursing visited with the patient and initiated osteomy teaching. also, the stoma was assessed. the stoma was thought to be viable with some pink and necrotic tissue. foley was removed on pod4. clear liquid were started and advanced to full liquid prior to discharge. gyn was consulted for pessary changing. the pessary was removed and the plan was for replacement as an outpatient. physical therapy recommended rehabilitation placement. at the time of discharge, the stoma had some sloughing necrotic tissue, improving over the time of hospitalization. she was tolerating a regular diet, and was afebrile. medications on admission: fosamax, atenolol 25', prilosec 20', dicyclomine, prednisone 15' discharge medications: 1. insulin regular human 100 unit/ml solution sig: one (1) injection asdir (as directed). 2. timolol maleate 0.5 % drops sig: one (1) drop ophthalmic (2 times a day). 3. prednisolone acetate 1 % drops, suspension sig: one (1) drop ophthalmic qid (4 times a day). 4. heparin (porcine) 5,000 unit/ml solution sig: one (1) injection three times a day. 5. omeprazole 20 mg capsule, delayed release(e.c.) sig: one (1) capsule, delayed release(e.c.) po daily (daily). 6. dicyclomine 10 mg capsule sig: two (2) capsule po qid (4 times a day). 7. alendronate 5 mg tablet sig: one (1) tablet po daily (daily). 8. prednisone 5 mg tablet sig: three (3) tablet po daily (daily). 9. atenolol 25 mg tablet sig: one (1) tablet po daily (daily). 10. vagifem 25 mcg tablet sig: one (1) vaginal 2x/week (2 times a week). 11. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). 12. hydromorphone 2 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain. 13. metronidazole 500 mg tablet sig: one (1) tablet po tid (3 times a day) for 12 days. 14. ciprofloxacin 500 mg tablet sig: one (1) tablet po q12h (every 12 hours) for 12 days. 15. ampicillin sodium 1 gram recon soln sig: twelve (12) recon soln injection q6h (every 6 hours) for 12 days. discharge disposition: extended care facility: - discharge diagnosis: 1. perforated sigmoid colon secondary to probable diverticulitis with possible malignancy. 2. scarring at the appendix. discharge condition: stable discharge instructions: please call your doctor or nurse practitioner or return to the emergency department for any of the following: *you experience new chest pain, pressure, squeezing or tightness. *new or worsening cough, shortness of breath, or wheeze. *if you are vomiting and cannot keep down 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. *you experience burning when you urinate, have blood in your urine, or experience a discharge. *your pain in not improving within 8-12 hours or is not gone within 24 hours. call or return immediately if your pain is getting worse or changes location or moving to your chest or back. *you have shaking chills, or fever greater than 101.5 degrees fahrenheit or 38 degrees celsius. *any change in your symptoms, or any new symptoms that concern you. please resume all regular home medications, unless specifically advised not to take a particular medication. also, please take any new medications as prescribed. please get plenty of rest, continue to ambulate several times per day, and drink adequate amounts of fluids. avoid lifting weights greater than lbs until you follow-up with your surgeon. avoid driving or operating heavy machinery while taking pain medications. monitor for signs of osteomy breakdown. followup instructions: please follow-up with dr. in 2 weeks. call to schedule your appointment. call ( to schedule to appointment. follow-up with dr. as an outpatient for pessary replacement. procedure: open and other left hemicolectomy colostomy, not otherwise specified other appendectomy diagnoses: acidosis long-term (current) use of steroids hypertensive chronic kidney disease, unspecified, with chronic kidney disease stage i through stage iv, or unspecified personal history of malignant neoplasm of bronchus and lung personal history of tobacco use unspecified glaucoma chronic kidney disease, unspecified electrolyte and fluid disorders not elsewhere classified diverticulitis of colon (without mention of hemorrhage) arteritis, unspecified unspecified peritonitis other and unspecified diseases of appendix 

Answer: The patient is high likely exposed to