An uncommon presentation of abdominal mass in an infant: A case report of fetus in fetu - Muhammad Idrees, MBBS; Mushtaq Ahmed, MBBS, FCPS; Waleed Tariq, BSc, MBBS; Muhammad Junaid Tahir, BSc, MBBS; Anis ur Rehman, MBBS, FRCR (Radiology Case Reports, 2025)