Professor Mustafa Sahin has performed over 20,000 gastric sleeve surgeries at Büyük Anadolu Hospitals. Treatment options include gastric balloons starting from around A$3,700–4,100, which covers hospitalisation and local transfers. Gastric sleeve surgery typically runs A$6,900–7,400. This package includes pre-surgery testing, a private VIP room, and post-surgery care. For more complex needs, gastric bypass costs around A$8,900. These procedures use minimally invasive techniques to support faster recovery. The clinic provides multilingual interpreters and VIP airport transfers for all international patients.