<prompt> A 1 year old child having leucocoria was detected to be having a unilateral, large, retinoblastoma having the large globe. Current therapy would involveEnucleationChemotherapy followed by local dyesDirect laser ablation using a photodynamic crytherapyScleral radiotherapy followed by chemotherapy  <response>: Conservative mode of treatment is indicated only in tumors of small size that is less than 6 mm in height Refer khurana 6e p 303 