According to the latest research, 28% of all carcinoids occur in the lung. What are the symptoms of lung carcinoid? Do these tumors cause carcinoid syndrome? Learn more from carcinoid and neuroendocrine tumor experts about imaging and surgery for lung carcinoids. Meet two lung carcinoid survivors, Kenneth and Kathy. Kenneth has completed more than a dozen marathons since he had his lung removed. Read an inspiring story about lung carcinoid survivors here.