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: llq abdominal pain major surgical or invasive procedure: sigmoid colectomy, end colostomy, hartmann pouch and splenectomy history of present illness: 78 year old man presented to ed with gradual onset of sharp pain day prior to admission. the pain was constant with occasional exacerbation, but resolved over the course of the day. the pain retuned on day of admission, worse after breakfast. no n/v, small bm on day of admission, but no diarrhea, no f/c, no dysuria. compleated 5 cycles of chemotheapy. past medical history: non-hodgkins lymphoma of bladder r hyronephrosis s/p stent htn gastritis h/o pancreatitis repair perfed duodeal ulcer social history: non-contributory family history: non-contributory physical exam: 98.5 119 20 146/75 98%ra aox3 anicteric, neck supple no mass or bruits cta-b abd-distended, soft, tender llq with guarding small redusable inguinal hernia rectal-nl guiac neg pertinent results: 12:28pm blood wbc-58.1*# rbc-3.99* hgb-12.6* hct-38.6* mcv-97 mch-31.5 mchc-32.6 rdw-16.6* plt ct-300 03:22pm blood pt-12.6 ptt-19.9* inr(pt)-1.0 04:46am blood gran ct-* 12:28pm blood glucose-168* urean-32* creat-1.1 na-144 k-3.8 cl-106 hco3-22 angap-20 12:28pm blood alt-36 ast-20 alkphos-88 amylase-44 totbili-1.5 12:28pm blood lipase-27 03:31pm blood ck-mb-4 ctropnt-0.01 02:45pm blood ck-mb-5 ctropnt-<0.01 07:27pm blood calcium-7.5* phos-4.2# mg-1.4* 01:55pm blood tsh-0.029* 01:55pm blood t4-11.6 free t4-2.6* 05:56pm blood type-art po2-222* pco2-36 ph-7.42 calhco3-24 base xs-0 intubat-intubated vent-controlled 05:56pm blood glucose-145* lactate-3.2* na-136 k-3.9 cl-107 05:56pm blood freeca-1.16 brief hospital course: pt was admitted to the tsicu s/p ex-lap for colectomy, splectomy and colostomy for acute abdomen/perfed diveticulitis. pt did well, post operatively, there was no sob/cp/abd pain post-op. his granulocyte count was monitored due to his recent chemo, and neupogen was started. pt saw the patient, and he did well with this. he was taking his home inhalers and was switched to nebulizers. enterostomal therapy also followed the patient, who started teaching. oncology was following, who recommended rbc and platelets as necessary, also to continue neupogen until d/c. had episode of pvc and hr to 100-110. lytes were replaced, and the episode resolved. pt ruled out for mi. pt was admitted back to sicu for aflutter. he did well and was transferred back to the floor. once back to the floor he did well and was d/c'ed on pod10 medications on admission: omperazole 20mg qd levoxyl 150mg qd norvasc 10mg qd allopurinol 300mgqd asa 81mg qd prednisone 100 qd albuterol/atrovent nebs advair discharge medications: 1. heparin sodium (porcine) 5,000 unit/ml solution sig: one (1) ml injection tid (3 times a day). 2. ipratropium bromide 0.02 % solution sig: 1-2 puffs inhalation q6h (every 6 hours). 3. fluticasone-salmeterol 100-50 mcg/dose disk with device sig: one (1) disk with device inhalation (2 times a day). 4. epoetin alfa 10,000 unit/ml solution sig: one (1) 10,000 unit dose injection qmowefr (monday -wednesday-friday). 5. albuterol-ipratropium 103-18 mcg/actuation aerosol sig: puffs inhalation q4h (every 4 hours). 6. albuterol sulfate 0.083 % solution sig: neb inhalation q4h (every 4 hours). 7. metoprolol tartrate 50 mg tablet sig: one (1) tablet po tid (3 times a day). 8. pantoprazole sodium 40 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po q24h (every 24 hours). 9. levothyroxine sodium 75 mcg tablet sig: one (1) tablet po qd (once a day). 10. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4-6h (every 4 to 6 hours) as needed. 11. clotrimazole 10 mg troche sig: one (1) troche mucous membrane qid (4 times a day) for 7 days. 12. vancomycin hcl 10 g recon soln sig: one (1) recon soln intravenous q12h (every 12 hours) for 4 days. 13. ceftriaxone sodium in d5w 20 mg/ml piggyback sig: one (1) gram intravenous q24h (every 24 hours) for 4 days. gram discharge disposition: extended care facility: - discharge diagnosis: perforated diverticultits discharge condition: good to rehab discharge instructions: return to clinic if you experience any of the following: fever>101.4, increasing pain, redness, pus or other concering signs at the operative site. also for nausea, vomiting, diarrhea or any other sign you think is abnormal followup instructions: f/u with dr. in weeks, please call his office for an appointment procedure: continuous invasive mechanical ventilation for 96 consecutive hours or more parenteral infusion of concentrated nutritional substances insertion of endotracheal tube open and other left hemicolectomy temporary ileostomy arterial catheterization insertion of other (naso-)gastric tube pulmonary artery wedge monitoring total splenectomy transfusion of packed cells diagnoses: pneumonia, organism unspecified abnormal coagulation profile unspecified essential hypertension unspecified septicemia severe sepsis cardiac complications, not elsewhere classified atrial fibrillation atrial flutter accidental puncture or laceration during a procedure, not elsewhere classified paroxysmal ventricular tachycardia other malignant lymphomas, unspecified site, extranodal and solid organ sites acute respiratory failure pneumonitis due to inhalation of food or vomitus other specified surgical operations and procedures causing abnormal patient reaction, or later complication, without mention of misadventure at time of operation paralytic ileus diverticulitis of colon (without mention of hemorrhage) accidental cut, puncture, perforation or hemorrhage during surgical operation respiratory arrest other ill-defined conditions abscess of intestine 

Answer: The patient is high likely exposed to