<prompt> False about malignancy in ulcerative colitis:Mean age is 30 yearsAnaplastic cancers are commonPoor prognosis as compared to sporadicEvenly distributed  <response>: Colitis associated colon cancer Arise from flat dysplasia or dysplasia associated lesion or mass Multiple synchronous colon cancer in 12 Mean age: 30 years Distributed uniformly throughout the colon Mucinous or anaplastic cancers are more common Poor prognosis in sporadic cancer is seen . 