Create a **12-slide, premium medical PPT on GALLBLADDER STONES** for patient education. Use a sophisticated navy, white, teal and gold healthcare design, 16:9 format, concise text and **one unique, highly relevant realistic image on every slide**. Cover: gallstone definition, causes/risk factors, 5 warning signs, emergency symptoms, diagnosis, when surgery is needed, laparoscopic cholecystectomy, diet before surgery, **what to eat and avoid after surgery**, recovery and final awareness/CTA. Use realistic 3D anatomy, food photography, infographics and non-graphic surgical visuals. Ensure medical accuracy. Do not claim all stones need surgery or that permanent low-fat diets are necessary. Include a medical-disclaimer footer.