@Ms. Duggins, when the esophageal cancer is diagnosed, your medical team should make a suitable treatment plan so I'm not going to chime in here. If you're worried about getting foods through the esophagus, an esophagus stent may be a solution. The stent is placed in the esophagus, make it expand so as to let the food pass through.
I'm sorry to hear this is happening on you, however, you have to stay positive so your beloved can feel confidence and hope from you. You're his power now.