This is a multi-center observational study in subjects with a diagnosis of small cell lung cancer. Screening and/or medical record review for symptoms associated with Lambert Eaton Myasthenic Syndrome (LEMS) will be conducted.
Adult men or women meeting Age of Majority (AOM) at the time of consent
Provide voluntary consent to participate in this study, documented via a signed informed Consent Form (ICF)
Any diagnosis of SCLC
Willing to provide clinical and medical information related to his/her cancer diagnoses to the study team as required
Has been diagnosed with non-tumor Lamber-Eaton Myasthenic syndrome (LEMS) > 1 year prior to the SCLC diagnosis.
Known existence of an uncontrolled intercurrent illness including, but not limited to, psychiatric illness or social situations that would impair compliance with study requirements