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: history of present illness: the patient had a headache for a couple of days but was not answering questions reliably. the patient is a 72 year old male with a history of throat cancer in and macular degeneration, who presents for an altered mental status. , m.d. dictated by: medquist36 procedure: venous catheterization, not elsewhere classified continuous invasive mechanical ventilation for 96 consecutive hours or more spinal tap incision of lung insertion of endotracheal tube enteral infusion of concentrated nutritional substances percutaneous [endoscopic] gastrostomy [peg] temporary tracheostomy other incision of brain diagnoses: methicillin susceptible staphylococcus aureus septicemia intracerebral hemorrhage acute respiratory failure infection and inflammatory reaction due to other vascular device, implant, and graft pneumonia due to klebsiella pneumoniae 

Answer: The patient is high likely exposed to