paraneoplastic

adjective
para·​neo·​plas·​tic | \ ˌpar-ə-ˌnē-ə-ˈplas-tik How to pronounce paraneoplastic (audio) \

Medical Definition of paraneoplastic

: caused by or resulting from the presence of cancer in the body but not the physical presence of cancerous tissue in the part or organ affected paraneoplastic effects on the central nervous system