An Unusual Primary Paraneoplastic Manifestation of Adenocarcinoma of Lung

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Carcinoma of lung (CoL) is the fourth most common cancer in India. It is classified as either small-cell or non-small-cell lung cancer, with adenocarcinoma being the most common variant. CoL can present either as paraneoplastic or non-paraneoplastic manifestation. We discuss a case of a patient who had an abrupt onset of sustained ventricular tachycardia and was subsequently diagnosed with metastatic non-small cell lung cancer with no cardiac infiltrates.