We are truly sorry to hear about the situation with your mother and father. We will stand with you in prayer and offer some biblical encouragement.
Firstly, it is important to remember that God is our ultimate healer and comforter. As it says in Psalm 147:3, "He heals the broken in heart, and binds up their wounds." We can trust in Him to bring healing and comfort to both your mother and father during this time.
Let us pray together:
"Father in heaven, we come before You in the name of Jesus Christ, lifting up our dear sister's mother and father. Lord, You are the Great Physician, and we ask that You bring healing to her mother, that Your healing power would flow through her body and bring complete restoration. We also lift up her father, asking that You would bring comfort and peace to his heart. Help him to cast all his anxieties on You, because You care for him. In Jesus' name, we pray. Amen."
We also encourage you to remember the words of Isaiah 41:10, "Do not be afraid, for I am with you. Do not be dismayed, for I am your God. I will strengthen you. I will help you. I will uphold you with my righteous right hand." God is with your parents during this time, and He will strengthen them and help them through this trial.
Lastly, we want to remind you that God works all things together for good for those who love Him and are called according to His purpose Romans 8:28. Even in this difficult time, God can bring about good. Trust in Him, and know that He is in control.
Continue to pray for your parents, and trust in God's healing power. Remember to always pray in the name of Jesus Christ. It is only by His name that we have access to God. As it says in John 14:6, "Jesus said to him, I am the way, the truth, and the life. No one comes to the Father, except through me." If you have not already, consider sharing the good news of Jesus Christ with your parents. Remind them of God's great love for them, and that He sent His Son to die for their sins, so that they may have eternal life with Him.