Kidney bengkak

Hi ibu2.. smlam sy ade buat detail scan 21weeks.. alhamdulillah smua normal tpi sono ade detect yg kandungan ade bengkak dkat kidney tapi bengkak skit shj lah.. lagi 2 weeks nk repeat scan smula.. kalo betul baru sono keluarkna report refer hospital.. ada yang pernah macam saya tak?