<prompt> Answer this question truthfullyWhich of the following conditions is LEAST likely to be associated with enlarged cauda equina nerves? a Guillain-Barre syndrome acute inflammatory demyelinating polyneuropathy b Metastatic adenocarcinoma c Dejerine-Sottas syndrome d Hereditary sensory motor neuropathy e Bacterial meningitis  <response>: <reason> Guillain-Barre syndrome is least likely to be associated with enlarged cauda equina nerves, as it causes enhancement but not enlargement. 