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® ERCP Catheters $0.00 Add to cart Cook® Extraction Balloons $0.00 Add to cart Cook® Fusion Cytology Brush $0.00 Add to cart Cook® Manometry $0.00 Add to cart Cook® Quantum TTC® Balloon Dilator $0.00