Which dye is most commonly used during the chromoendoscopy for colon and esophagus? Please select the correct answer for esophagus & colon respectively.
Esophagus: Indigo blue / Colon: Methylene carmine
Esophagus: Methylene carmine / Colon: Indigo carmine
Esophagus: Indigo carmine / Colon: Methylene blue
Esophagus: Lugol's solution / Colon: Indigo carmine
Esophagus: Lugol's solution / Colon: Luso's solution