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A large anterior mediastinal mass measures 13.1 cm transversely and 7.5 cm anteroposteriorly and 10.2 cm craniocaudally. The mass continues superiorly on the right anterolateral to the brachiocephalic artery. The mass contains multiple blood vessels within it.There is a moderate pericardial effusion. A small left pleural effusion is also apparent.
No axillary lymphadenopathy. The lungs are clear. Limited scans to the upper abdomen demonstrate a normal size spleen and no further abnormality.
Conclusion:
Large anterior mediastinal mass. This is most likely lymphoma. Moderate pericardial effusion.