The chest x ray findings in the patient with cor triatrium include non-specific observations such as cardiac enlargement and pulmonary congestion with diffuse haziness, Kerley B lines, and pulmonary vascular redistribution.
When cor<unk>  occurs as an isolated defect, the hemodynamic derangement is identical to that of mitral stenosis and the chest radiography shows a normal sized heart with changes of chronic interstitial edema.
Findings are usually nonspecific but may include:
Pulmonary congestion with diffuse haziness, Kerley B lines, and pulmonary vascular redistribution
Mild cardiac enlargement
Prominence of the pulmonary arterial segment
Dilated proximal chamber, may produce the appearance of left atrial enlargement
Presence of an atrial septal defect or anomalous pulmonary venous connection. This in turn can cause:
Pulmonary overcirculation to the pulmonary venous obstruction
Significant right ventricular enlargement
Pulmonary congestion with diffuse haziness, Kerley B lines, and pulmonary vascular redistribution
Mild cardiac enlargement
Prominence of the pulmonary arterial segment
Dilated proximal chamber, may produce the appearance of left atrial enlargement
Presence of an atrial septal defect or anomalous pulmonary venous connection. This in turn can cause:
Pulmonary overcirculation to the pulmonary venous obstruction
Significant right ventricular enlargement
Pulmonary overcirculation to the pulmonary venous obstruction
Significant right ventricular enlargement
Image at cardiovascularultrasound.com
Cor triatriatum chest x ray
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Cor triatriatum physical examination