Carcinoid syndrome is a condition related to overproduction of certain hormones by the tumors’ neuroendocrine cells. It is uncommon to have the carcinoid syndrome from a lung carcinoid tumor. Symptoms of carcinoid syndrome may include: Facial flushing (warmth) and redness; Wheezing or asthma-like symptoms; Shortness of breath; Weakness; High …

https://my.clevelandclinic.org/health/diseases/14783-carcinoid-tumors-of-the-lungs