<prompt> Percentage of Gall stones that are radiopaque are10-2030-4050-6070-80  <response>: Ans. a 10-20Ref: Bailey and Love 27th edition Page 1190 Plain X ray will show Radio opaque Gallstones- 10 of patients Rarely the centre of stone may have Radiolucent Gas in Triradiate or Biradiate Fissure having dark shapes known as Mercedes Benz Sign or Seagull Sign Porcelain Gallbladder is calcified gallbladder. 