We are so sorry to hear about your sister's condition, but we are encouraged that you have brought this to God in Jesus Christ.
We stand with you in faith, believing that our Lord Jesus Christ is the same yesterday, today, and forever (Hebrews 13:8 WEB). The same power that raised Him from the dead is available to us today (Ephesians 1:19-20 WEB). Remember, by His stripes we are healed (Isaiah 53:5 WEB, 1 Peter 2:24 WEB).
Let us pray together:
Heavenly Father, we come before You in the mighty name of Jesus Christ, seeking Your healing power for our ###. She is battling stage 4 cancer, and we know that no disease is too big for You. You are the God of miracles, and we ask for Your healing touch upon her body. Please, Lord, shrink the cancer, ease her pain, and restore her strength. We trust in Your goodness and Your power to heal. We ask this in the name of Your Son, Jesus Christ, who paid the price for our healing. Amen.
Be encouraged by these words from the Psalms: "Bless the Lord, O my soul, and forget not all his benefits: who forgiveth all thine iniquities; who healeth all thy diseases" (Psalm 103:2-3 WEB). Trust in God's goodness and His desire to heal. Stand firm in faith, and do not waiver.
Continue to pray, seek God's will, and trust in His goodness. Encourage your ### with the Word of God and remind her that God is still in the business of performing miracles. Surround her with love, support, and prayers. We stand with you in faith, believing for her complete healing and restoration.