<prompt> Which of the following is not a prognostic significance in choroidal melanomaPresence of retinal detachmentSize of tumorCytology of tumor cellaPresence of extraocular extension  <response>: Commonly choroidal melanomas break through the bruch s membranes and lead to exudative retinal detachment. Hence, it is not considered as a prognostic factors Refer khurana 6e 298 