A 33-year-old woman referred by the surgical oncologist for port catheter fragment extraction through an endovascular approach. Port catheter was implanted 5 years prior for chemotherapy of colon cancer. The catheter was fractured and migrated to cardiac region on X-ray 4 years before admission and the patient refused removal through surgery (endovascular removal was not available at the hospital at that time). She was asymptomatic on presentation and has a history of hypertension and smoking. Cardiopulmonary physical examination and electrocardiography were within normal limits. Chest X-ray showed a port catheter fragment, previously thought to be in the right atrium, at the level of 8-9 thoracic vertebrae (). On cardiac catheterization laboratory a 12F sheath was cannulated to the right femoral vein and Amplatz Goose Neck 4F was introduced to the right atrium through inferior vena cava from the right femoral vein. Right heart catheterization showed that the port catheter fragment was in the coronary sinus (). Angiography of the right outflow tract indicates that the fragment was not in the outflow tract or pulmonary arteries but posterior to it (). It was concluded that the port catheter fragment had migrated deep into the coronary sinus and the snare was unable to pull the fragment. Echocardiography reassured us that the fragment was located in the coronary sinus (). It was deemed unfeasible to remove the fragment through the endovascular approach and was decided to proceed with surgical intervention. The patient refused the latter and preferred the fragment to be left away as long as it does not cause any symptoms.