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 attending: chief complaint: abdominal pain major surgical or invasive procedure: sigmoid colectomy history of present illness: pt is a 66yo f w/ recent lul vats wedge resection (), stroke (), and cad s/p mi who presents w/ constipation and abdominal pain for 2 weeks. the patient notes that immediately following the surgery, she developed lower abdominal pain, for which she had been taking po dilaudid post-op, and she did not have bm since. she has been passing flatus. over the past few days, she has been unable to keep down pos and has clear vomitus--non-bloody, non-bilious. she denies any fevers, chills, night sweats, breathing complaints, urinary complaints. no le edema. she notes that the pain is the same in quality, location, and severity since it began post-op. in the ed, her labs showed elevated wbc, and given her clinical history, initially concerning for small bowel obstruction. however, abdominal x-ray was not consistent with this diagnosis; she had further evaluation with abd/pelvic ct. this study revealed mild inflammatory stranding of the sigmoid colon which was suggestive of diverticulitis. in addition, she had evidence of uti. given that the pt could not tolerate po, she was admitted for iv antibiotics and ivf. past medical history: cad s/p mi c stent ' c/b retroperitoneal bleed, s/p stent '; recent cva (l hemianopsia), htn, hyperchol, gerd/barrett's, h/o tob lung mass; 12mm noncalcified nodule in the left apex with fdg avidity on pet ct, suspicious for primary malignancy given smoking history. social history: currently not working, but formerly an administrative assistant. she has a significant history of tobacco use (a 40-pack-year smoking history, discontinued 7 years ago). she admitted to occasional, social use of alcohol. she denied use of illicit drugs. family history: remarkable for a number of family members with coronary artery disease. brief hospital course: ms. was admitted to the medical service on with a diagnosis of diverticulitis. she was initially managed conservatively with bowel rest and iv antibiotics. she failed this treatment and required a sigmoid colectomy on . please refer to previously dictated operative note. her post-operative course was quite difficult. in the early post-operative period she developed a myocardial infarction and required treatment in the icu. she developed respiratory failure during this time and required intubation and mechanical ventillation. during this time she began having high fevers. given her clinical appearence and her chest x-rays, she was treated for pneumonia. she repeatedly failed attempts to wean from the ventillator. after it was made evident that she would require a prolonged intubation, a tracheostomy was recommended. after many long discussions with her family and healthcare proxy, it was determined thta this course of action was contrary to her wishes. on , she was made cmo and expired shortly after extubation. medications on admission: 1. metoprolol 50 2. ezetimibe 10 mg qd 3. prilosec 40 mg qd 4. aspirin 325 mg qd 5. docusate 100 mg 6. mag hydroxide q6h prn 7. hydromorphone 2-4mg q3-4h prn discharge medications: none discharge disposition: home with service discharge diagnosis: diverticulitis myocardial infarction pneumonia death discharge condition: expired discharge instructions: none followup instructions: none md, procedure: venous catheterization, not elsewhere classified continuous invasive mechanical ventilation for 96 consecutive hours or more parenteral infusion of concentrated nutritional substances insertion of endotracheal tube temporary colostomy enteral infusion of concentrated nutritional substances closed [endoscopic] biopsy of bronchus open and other sigmoidectomy transfusion of packed cells anastomosis to anus diagnoses: pneumonia, organism unspecified subendocardial infarction, initial episode of care anemia, unspecified coronary atherosclerosis of native coronary artery esophageal reflux pure hypercholesterolemia urinary tract infection, site not specified unspecified essential hypertension cardiac complications, not elsewhere classified anxiety state, unspecified malignant neoplasm of upper lobe, bronchus or lung other late effects of cerebrovascular disease encounter for palliative care diverticulitis of colon (without mention of hemorrhage) systemic inflammatory response syndrome, unspecified 

Answer: The patient is high likely exposed to