surgeon of the highest qualification category, candidate of medical sciences, associate professor alexei protasevichto the studio. come out to us. day aleksey, why do stones form in the gallbladder, or rather, i suspect that at the beginning sand forms, then it all turns into stones. we have a liver that produces bile. this bile is concentrated in the gallbladder under certain conditions, when this bile becomes too much, well, usually cholesterol. it really starts to form crystals at the beginning. they are small crystals. and it is really called the sand among the people. yes, then it's real cobblestones. then a question. and how quickly the stones will form and what sizes they can reach sizes to me they are limited by the size of the gallbladder. that is, in principle, the entire gallbladder can be performed with stones and such cases are known to surgeons. this is seen quite often. and how quickly they are formed, that is, a person who wears a stone there is 1 cm. i think that he suffers from cholelithiasis. well, maybe five years. here, maybe more. well, let's talk about bile. which is constantl