Talk to General Physician on Nutrition, Hirschsprung Disease

Assalam o alikum , meri beti 14 y ki hai, she is deaf and mute, ussay hirschsprung disease thi, uss k 5 operate huay , uss ka A ganglionic segment hai, large intestine remove ker di gayee hai she has only small intestine, alhamdulillah wo abb bilkul theek hai, ussay body mein pain rehti hai, bohat weak hai orr height bhi kamm reh gayee hai, kimdly guide me k ussay koie formula jaisay pedia sure diya ja sakta hai, i m worried abt her , kindly suggest something jazak Allah