Cardiac tumors are rare in medicine. Myxomas are the most common benign cardiac tumors. Most myxomas (>80%) are found in the left atrium. The site of 15-20% of cases of myxoma is the right atrium. The incidence of cardiac myxoma peaks at 40 to 60 years of age. Most atrial myxomas occur sporadically and are more common in middle-aged women. Patients with atrial myxoma usually have one of the symptoms in the following tetrad: embolic phenomena, intracardiac flow obstruction, arrhythmias and constitutional symptoms. The modality of choice for diagnosis of cardiac myxoma is an Echocardiography. Surgery should be considered promptly, because embolic complications or sudden death can be occured. This surgery is usually safe with low morbidity and mortality. Operative mortality is reported to be within 5%, and will be increased with myxoma occurring in the ventricle. Our case was a 47-year-old Iranian male with right atrial myxoma and a history of heart burn, he does not mention fever and chill, cough, chest pain or dyspnea. In CT Angiography of pulmonary artery showing pulmonary thromboembolism. After echocardiography and pulmonary CT angiography he underwent cardiac surgery and mass with adhesion to the right atrial wall near the IVC was excised. The patient was discharged after surgery with good general condition and stable vital signs.