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: food stuck in throat major surgical or invasive procedure: egd history of present illness: 31yom hx foreign body obstructions with past dilation by anastopoulus at , presents with "food stuck in throat." pt reports symptoms started after eating dinner tonight, continued to have sensation of food in his throat despite fluid intake. pt then began having vomiting for the next couple hours afterward. the vomit was non-bloody, non-bilious, and appeared as undigested food. pt then became sob, from anxiety over the situation. he has had this happen to him about 3 times before. . in ed, vss, afebrile, hr 70, 02 97%ra, 127/67. given ativan x1 for anxiety, glucagon x1 to attempt pharyngeal muscle relaxation. glucagon did not work well. gi consulted, plan for egd in am. admitted to . . currently not nauseous anymore after ativan, just feels as if thoat is sore. he is able to swallow his saliva. . ros: pt denies chest pain, diarrhea, hematochezia, melana, abdominal pains, fevers, sick contacts, and other ros neg. past medical history: 1. helicobacter pylori gastritis - 2. hernia repair - remote past 3. schatzki's ring - past dilations by dr. at 3. soft tissue tumor of l ring finger - removal social history: denies tobacco, rarely drink ethanol, occupation is "scientist." family history: mother died from metastatic melanoma. physical exam: t 97.4, bp 124/63, hr 70, 14, 98%ra physical exam general: pleasant, well appearing male in nad heent: normocephalic, atraumatic. no conjunctival pallor. no scleral icterus. perrla/eomi. mmm. op clear. neck supple, no lad, no thyromegaly. cardiac: regular rhythm, normal rate. normal s1, s2. no murmurs, rubs or . jvp= flat lungs: ctab, good air movement biaterally. abdomen: nabs. soft, nt, nd. no hsm extremities: no edema or calf pain, 2+ dorsalis pedis/ posterior tibial pulses. skin: no rashes/lesions, ecchymoses. neuro: a&ox3. appropriate. cn 2-12 grossly intact. preserved sensation throughout. psych: listens and responds to questions appropriately, pleasant pertinent results: cxr: no acute cardiopulmonary process or radiopaque foreign body. . egd: no e/o of narroed esophagus or ulcerations, no e/o schatzki's ring brief hospital course: 31yom hx foreign body obstructions with past dilation by anastopoulus at , presents with "food stuck in throat," thought to have food impaction to schatzki's ring, admitted to pending egd. . # dysphagia/gi: given hx of schatzki's ring and with similar clinical hx, clinical suspicion was high, but egd failed to show a shatzki's ring. patient had no signs of airway compromise or stridor on exam throughout his stay. patient should follow up with gastroenterology within one month for management and to consider upper gi series. . # sob-likely due to anxiety as pt acknowledges: tachypnea upon presentation, resolved, no e/o wheezing or stridor, sats 99% ra. patient was given a dose of ativan. . # health maintenence- normal lipids in past, at risk for hiv given active sexual hx. mother died of lymphoma, currently pt does no show lad in cervical area. recommended patient see his pcp 3 months for repeat of lipids, chemistries, to discuss acid suppression if clinically indicated, and to discuss std risk stratification. medications on admission: none discharge medications: none discharge disposition: home discharge diagnosis: primary: 1. dysphagia discharge condition: stable, ambulating, tolerating po feeds discharge instructions: patient was admitted for dysphagia, underwent egd without signs of schatzki's ring, tolerated po feeds and fluids, was discharged to home. patient is advised to seek medical attention if he acquires chest pain, shortness of breath, nausea, vomiting, or any other concern that is out of the ordinary for him. followup instructions: gastroenterology - please call dr. to arrange an appt within 1 month. please call your pcp to arrange appointment within next 3 months for health maintenance issues. md procedure: other endoscopy of small intestine diagnoses: dysphagia, unspecified 

Answer: The patient is high likely exposed to