Pre-operative Labs for Left Hemicolectomy Reveals Hyponatremia That Leads to Lung Mass Finding.

Paraneoplastic syndromes are a group of clinical conditions with specific signs and symptoms that are associated with underlying malignancies. The pathophysiology of paraneoplastic syndromes is caused by either the ectopic production of various hormones or the immune production of autoantibodies. Lung cancers are also notorious for being accompanied by paraneoplastic syndromes.