1. Department of General Surgery Faculty of Medicine, Misr University for Science and Technology (MUST) Giza Egypt
2. Department of General Surgery Faculty of Medicine, Fayoum University Fayoum Egypt
3. Department of Dermatology Faculty of Medicine, Al‐Azhar University Cairo Egypt
4. Department of Dermatology Faculty of Medicine, Misr University for Science and Technology (MUST) Giza Egypt