**2.8.1 X-ray machine – Watson RO1**

This is a standard machine with good resolution quality.

The procedure was carried out by an experienced radiographer using the posterior- anterior positions.

The film was read and reported by an experienced consultant Radiologist.

### **2.8.2 Ultrasound machine**

Sonoace 1500 (Medison) 3.5 MHz sector probe was used. This is a standard machine with good resolution.

Renal ultrasound scan was carried out by an experience Sonographer
