Which of the following statements regarding carcinoid tumor is not true?
On histopatholgy the carcinoid tumor may show 5 distinct patterns Solid,insular and nodular cords Trabecular pattern Tubules and glands/rosette like pattern Poorly differentiated pattern or atypical pattern Mixed pattern Note-Commonest feature of carcinoid is cutaneous flushing
On histopathology 4 distinctive forms are present
Extensive involvement of small intestine is associated with higher chance of lung involvement
5 year survival for carcinoid tumors is > 60%
80% of appendiceal carcinoids are accidently detected during surgery for other indications