GI Supply SPOT® Ex Endoscopic Tattoo Product Information Spot® Ex Endoscopic Tattoo Spot Ex helps clinicians take the next step in the fight against colon cancer by providing a lifetime of clinical surveillance for their patients. Related products Add to cart Cook® Cytology $0.00 Add to cart Cook® Drainage Sets $0.00 Add to cart Cook® ERCP Catheters $0.00 Add to cart Cook® Fusion Cytology Brush $0.00 Add to cart Cook® Plastic Biliary Stents and Introducers $0.00