The primary objectives of this study is to determine carcinoma- and adenoma lesion true detection rate of HAL fluorescence colonoscopy in patients with known or strong suspicion of neoplasia in the colon. The secondary objective and endpoints are to determine carcinoma- and adenoma lesion false detection rate of HAL fluorescence colonoscopy, to compare carcinoma- and adenoma lesion true detection rates and the false detection rates of fluorescence with standard colonoscopy and to characterize the safety profile of HAL fluorescence colonoscopy.