The conversation between the doctor and patient is privileged and cannot be disclosed.

privileged 是形容词，来自名词 privilege（特权、特殊权利），指"享有特权的、保密的"。在医疗和法律语境中，privileged communication 特指受法律保护的保密通讯，如医患对话或律师与客户对话，这些内容未经当事人同意不得公开。