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: left vocal cord scca now w increased dyspnea major surgical or invasive procedure: tracheotomy esophagoscopy laryngoscopy and bx history of present illness: pt is a 53 ym w left vocal cords scca (t2n0m0) extending into the subglottic area, s/p radiotherapy ending , who presented with increased dyspnea and upper airway obstruction. the ct scan of the neck did not show any obvious recurrences. pt underwent a tracheotomy, direct laryngoscopy with biopsy of left subglottis and true vocal cord and right superior surface of true vocal cord, rigid cervical esophagoscopy as well as a flexible bronchoscopy. the case was switched from ivcs to general et anesthesiae. past medical history: as above, type 1 diabetes for 19 years, hypertension, history of positive ppd, and recent diagnosis of chest nodules likely stated to be granulations. social history: the patient is married, with two children. currently, he lives with his wife. his son is 31 years old and daughter is 22 years old. alcohol history: the patient used to drink one pint of hard liquid a day, quit seven months ago. the patient also has a remote history of drug abuse. smoking: he smoked about two packs per day for greater than 40 years. he quit about one-and-a-half month ago. the patient denies any history of being abused. family history: father deceased at age 56 with stomach cancer. mother deceased at 60 with lung cancer. physical exam: nad rrr cta b; no wheezing or crackles + bs/s/nt/nd neck exam: trach in place with minimal oozing around it; cuff is down; no stridor. neuro: cni, mp , silt, no babinski or pronator drift pertinent results: 05:47pm pt-12.6 ptt-34.3 inr(pt)-1.0 05:47pm plt count-108* 05:47pm wbc-3.5*# rbc-4.38* hgb-12.4*# hct-36.7* mcv-84 mch-28.4 mchc-33.9 rdw-14.2 05:47pm calcium-8.6 magnesium-1.5* 05:47pm glucose-182* urea n-16 creat-0.9 sodium-139 potassium-4.1 chloride-103 total co2-32* anion gap-8 brief hospital course: patient did well postoperatively with no complications. he was weaned to tracheal collar oxygen on the same operation day and tolerated it well. the tracheotomy cuff was down on pod1. routine trach care was provided with deep suctioning q3h+prn, humidified air and trach care teaching. pt had a strong cough and was able to expel secretions on his own as well. his pain was well controlled on a combination of percocet and oxycontin. he was ambulating, tolerating po and breathing comfortably before discharge. tracheotomy was changed on pod 5. medications on admission: po oxycontin 20 mg sc insulin 75/25 60 units in am, 40 units in pm po norvasc 5 mg po omeprazole 20 mg qd discharge medications: po protonix 40 mg qd po norvasc 5 mg qd po keflex 500 mg po x7 days po colace 100 mg sc insulin 75/25 60 units in am, 40 units in pm po oxycodone 5-10 mg q4h prn pain po tylenol 650 mg q6h prn pain discharge disposition: home with service facility: , discharge diagnosis: laryngeal squamous cell carcinoma, upper airway obstruction status post tracheotomy discharge condition: stable discharge instructions: 1- please inform physician if fever>101, wound redness or discharge are noted. 2- please inform physician if shortness of breath, significantly increased tracheotomy secretions or abnormal breathing sounds are noted. 3- do not drive while taking oxycodone or percocet. 4- routine trach care as per the trach teaching during hospital stay. followup instructions: 1- follow up with dr. within 1-2 weeks; call for appointment 2- follow up with primary care physician with regard to diabetes and hypertension management procedure: other esophagoscopy other bronchoscopy temporary tracheostomy closed [endoscopic] biopsy of larynx diagnoses: unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled long-term (current) use of insulin other specified complications of procedures not elsewhere classified other diseases of respiratory system, not elsewhere classified malignant neoplasm of other specified sites of larynx 

Answer: The patient is high likely exposed to