Give a comprehensive, well detailed, extensive learning note on the following surgery topics in all simplicity of understanding: 1. Revision of history taking 2. Revision on catheterization and nasogastric intubation. 3. General Examination 4. Systemic examinations 5. Examination of lumps 6. Breast diseases 7. Goiters 8. Groin swellings 9. Surgical jaundice 10. Bladder outlet obstructions