<prompt> All of the following statements about carcinoid tumors are true except:It is the most common malignant tumor of the small intestineExtensive involvement of small intestine is associated with higher probability of lung metastasisFive year survival for carcinoids tumors is 60Appendiceal carcinoids are more common in females  <response>: Extensive invovelment of small intestine by carcinoid tumor is associated with higher probability of livernot the lung metastasis MC malignant tumor of small intestine: Adenocarcinoma Carcinoid Carcinoid tumors have the best prognosis of all small bowel tumors, whether the disease is localized or metastatic Resection of a carcinoid tumor localized to its primary site approaches a 100 survival rate. Five-year survival rates are about 65 among patients with regional disease and 25 to 35 among those with distant metastasis Appendiceal carcinoids are more common in females Extensive involvement of small intestine is associated with higher probability of liver metastasis Ref: Sabiston 20th edition Pgno: 1276 