263 The use of 3,4-Diaminopyridine (3,4-DAP) in the management of life-threatening paraneoplastic Lambert Easton Myasthenic Syndrome (LEMS) – A case report. - Louis, Kennedy; Tanith, Westerman; Balwinder, Kolotia; Nikolaos, Gorgoraptis; Adam, Januszewski (Lung Cancer (01695002), 2025)