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Pale yellow stools are caused by many other factors which are important. It cannot be simply attributed simply to your diet rich in nuts.
I personally think that is more related to your liver
condition as you have significant medical history of getting a liver related issue. Please do not neglect and get evaluated for this.
Stay healthy and thank you for consulting! You can contact me again anytime, if you need clarifications or further assistance in future. Kindly rate the answer if you are satisfied.