<s>[INST] Sir I have ASD pls advive me about surgery is possible or not ? 1. Large Ostium, Secundum ASD with severe PAH (ASD Defect 25mm) 2. Mindely Dilated RA & RV 3. Good LV, Systolic function 4. LVEF =77% 5. Trival MR 6. Mild TR 7. Mild PR 8. Normal Pulmonary connection 9. No clot/vegetation Therefore I want to know that is there surgery is possible in this case or not. Please advise me. Best Regards,suman [/INST] Hello Suman, You have to tell what are the PAH levels.if there is  no eisenmengerization then you can have surgery..... </s>