Hello. My Mother Has Pancreatic Cancer And Is Now Under

Hello. My mother has pancreatic cancer and is now under 7 and a half stone (100 lbs). She hasn't had chemo in over 6 weeks as the doctor wanted her to gain some strength. However she was recently admitted to hospital as she was throwing up. They say there is no blockage and released her after 3 days. She has been home eating small meals of yoghurt, bread, biscuits, however she is still being sick everything she eats. Do you have any recommendations of what food she should eat that is easy to digest and isn't likely to come back up?