Istinye University Liv Hospital Bahcesehir in Istanbul treats gastrocele with a range of diagnostics including MRI revision starting from around A$100, ultrasound from A$200, and gastroscopy with biopsy at about A$1,900. Hernia repair surgery, either open or laparoscopic, may cost around A$12,200 and includes 4 days in hospital plus pre-op tests like endoscopy, CT abdomen, and blood work. The hospital offers 5-star accommodation and helps with airport transfers and hotel bookings, making it a solid choice for Australians seeking treatment abroad.