So... you are NOT an esophageal cancer patient? Correct? Therefore you've not had an esophagectomy.

Is your Small Vessel Disease a 100% definitive diagnosis? If so, what meds are you taking for your SVD? How old are you? Do you have cognitive decline? Since you replied to a thread on Vagus Nerves... has any proof been discovered showing deterioration of these vagal nerve branches decesending from your brain?