The aim of the study is to assess the feasibility of genomic and epigenetic analysis of rectal mucus to detect non-colorectal cancers of the aero- digestive tract using samples collected by the OriCol™ Sampling Device. The primary objective of the study is to assess whether significant changes in DNA mutation and methylation associated with Non-colorectal cancers of the Aero-digestive Tract (NCRCADT) can be detected in rectal mucus as shed cells and cell-free DNA (cfDNA) pass through the gut and theoretically can be collected from rectal mucus. Secondary objectives will assess the participant acceptability of the OriCol™ Sampling Device for Pancreatic Ductal Adenocarcinoma, Non-Small Cell Cancer of the Lung, Colorectal Cancer and Urological Cancer controls as well as contributing to a genomic library collating information about rectal mucus.
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Correlation of SNP allele frequency in genes associated with known aero-digestive cancers in paired samples of tumour type and rectal mucus.
Timeframe: 1 year