This rare atrial septal defect occurs at the site of the coronary sinus drainage.
What is the connection between atrial septal defect and coronary sinus?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the connection between atrial septal defect and coronary sinus? [/INST] \n This rare atrial septal defect occurs at the site of the coronary sinus drainage.</s>