A pt initially presented with right facial pain was diagnosed in 2013 with stage 4b squamous cell carcinoma of the right tonsil and tongue.This pt enrolled in a clinical trial ((b)(6)) on (b)(6) 2020 for head and neck cancer pain and was subsequently treated with focused ultrasound on (b)(6) 2020 without any unexpected issues/ adverse events.On (b)(6) 2020 the pt presented to the emergency room with med refractory pain and being unable to eat as a result.He was treated with a percutaneous gastrostomy tube and pain mgmt.The pt was discharged on (b)(6) 2020.The pi deemed this event unrelated to the focused ultrasound procedure.
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