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Midline sternotomy and bioprosthetic aortic valve replacement.
4.5 cm filling defects within the lumen of the ascending aorta, extending from the aortic valve superiorly. Mural oedema seen along anterior aortic root and extending into the anterior mediastinum, with 3 cm max diameter walled off collection seen adjacent (to right of midline).
Ground glass changes and interstitial thickening in right upper lobe presumed reactive.
Right pleural effusion.
Several prominent but subcentimetre mediastinal lymph nodes.
No other significant findings.