ENT During DCR surgery, an osteotomy was done in the anterior and superior region. Which area does it accidentally open into? A Anterior Ethmoidal Sinus B Maxillary Antrum C Superior Meatus D Middle Meatus 💡 Explanation During DCR surgery, an osteotomy was done in the anterior and superior region. Which area does it accidentally open into? ✓ Correct Answer: A. Anterior Ethmoidal Sinus