<prompt> Which of the following statements regarding carcinoid tumor is not true?On histopathology 4 distinctive forms are presentExtensive involvement of small intestine is associated with higher chance of lung involvement5 year survival for carcinoid tumors is 6080 of appendiceal carcinoids are accidently detected during surgery for other indications  <response>: On histopatholgy the carcinoid tumor may show 5 distinct patterns Solid,insular and nodular cords Trabecular pattern Tubules and glandsrosette like pattern Poorly differentiated pattern or atypical pattern Mixed pattern Note-Commonest feature of carcinoid is cutaneous flushing 