Self dilation is a procedure that can be done at home rather than having an endoscopy with balloon dilation. It involves inserting a bougie (dilator) into your esophagus and gently pushing until it passes through the stricture. I use a 48FR (16MM) dilator and insert it 22 inches into my esophagus. I do it first thing in the morning and it takes about 3 minutes. I have been doing for 2 years now and it has been a life changer. No more stents and the need for 2 endoscopy a month. I am not sure your husband would be a good candidate for this while he still has the tumor. Your GI doctor could advise you on that. I had surgery in 2019 and my esophagus began closing about a month after surgery from lack of blood flow where the connection was made. I wish you and your husband the very best in your battle with EC.