This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabites & Inappropriate Antidiuretic Hormone, Subject name: Medicine
[{'content': 'S1ADH is associated with: \nSelect and explain. \nA. Small cell carcinoma lung, B. Adeno cercinoma lung, C. Squamous cell carcinoma lung, D. Mixed cell tumor lung', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' small cell Ca of lung Small cell Ca of lung causes SIADH due to ectopic secretion of ADH.SyndromeSIADHChiefly associated withSmall cell lung Ca*Head & Neck cancer*Cushing's syndromeSmall cell lung Ca*Carcinoid Tumour*Hypercalcemia of malignancyNon-small cell lung Ca* (Squamous)Breast Cell*'Renal Ca Ca*Myeloma*Bladder CaHead & Neck CaAcromegalyCarcinoid tumors*Small cell Lung CA*pancreatic Islet tumourGynecomastiaTesticular Ca*Lung Ca*Carcinoid tumour of lung and GIT.Non islet tumour hypoglycemia* Sarcomas*", 'role': 'assistant'}]