<prompt> Answer this question truthfullyWhat does Paraneoplastic syndrome mean?  <response>: <reason> Paraneoplastic syndromes may be classified into 5 main categories accordingly:Type of paraneoplastic syndrome Subtype Associated Cancers Endocrine Hypercalcemia Breast cancer and lung cancer typically squamous cell due to the production of PTHrP Parathyroid hormone -related protein multiple myeloma, renal cell carcinoma, ovarian cancer, endometrial cancer, and lymphoma SIADH Small-cell lung cancer, mesothelioma, breast, prostate, adrenal, urethral, thymoma, lymphoma, GI, CNS, and Ewing sarcoma Ectopic ACTH secretion Small-cell lung cancer, carcinoid tumor, thymoma, medullary carcinoma of the thyroid and other cancers Tumor induced osteomalacia Metastatic breast cancer Hypoglycemia GI cancers, mesothelioma, lung, real cancer, and sarcomas Musculocutaneous Dermatomyositis Breast, ovarian, lung, and prostate cancer Leser-Trélat sign Gastrointestinal adenocarcinomas gastric, colon, rectal, breast cancer, lymphoproliferative disorders lymphoma, and melanoma. Acanthosis nigricans Gastric adenocarcinoma, endometrial cancer. Necrolytic migratory erythema Glucagonoma Sweets syndrome Acute myelogenous leukemia, myeloproliferative disorders, lymphoproliferative disorders, myelodysplastic syndrome, and carcinoma Pyoderma gangrenosum Rectal Adenocarcinoma, myeloproliferative disorders, colon cancer Neurological Paraneoplastic cerebellar degeneration Breast and gynecological malignancies Encephalomyelitis Bronchial cancer typically small cell lung carcinoma Limbic encephalitis Lung cancer Brainstem encephalitis Lung cancer, testicular cancer, neuroendocrine tumors Opsoclonus involving eye movement Neuroblastoma, small cell lung cancer and gynecological tumors Encephalitis Teratoma Polymyositis Squamous cell lung cancer, breast cancer Autonomic neuropathy Carcinomas, small cell lung cancer, thymoma Lambert-Eaton myasthenic syndrome LEMS Small-cell lung cancer, prostate cancer, lymphomas, adenocarcinomas Myasthenia gravis Thymoma Subacute peripheral sensory neuropathy Small cell lung cancer, breast cancer, sarcomas, Hodgkin lymphoma, and ovarian cancer Hematological Granulocytosis Lung cancer particularly large cell lung cancer, gastrointestinal, brain, breast, renal, and gynecologic cancers Thrombocytosis Ovarian cancer Pure red cell aplasia Thymoma, lymphoma, leukemia Eosinophilia Lymphomas, leukemias, lung, gastrointestinal, and gynecologic tumors Others Membranous glomerulonephritis Lung cancer, prostate cancer, and hematologic malignancies 