<prompt> Von Hippel Lindau is associated with all exceptEndo lymphatic sac tumorsHemangioendotheliomasPheochromocytomaIslet cell tumors  <response>: Harrisons principles of internal medicine 17th edition Mutation of 1 allele of VHL mutation leads to retinal angiomas,CNS hemangioblastoma,pheochromocytomas,multicentric clear cell cysts,cysts involving pancreas,liver and kidneys and adenomas of kidneyp 