Correction to: General Thoracic and Cardiovascular Surgery https://doi.org/10.1007/s11748-019-01130-6

In the original publication of the article, the figures were published in wrong order. The Figs. 1, 2, 3 should appear as in this correction.

The original article has been corrected.

Fig. 1
figure 1

a, b The right coronary angiogram showed no stenosis including ostium. c, d The left coronary angiogram showed no stenosis

Fig. 2
figure 2

a The gross appearance of the aortic valve. The aortic valve was tricuspid and the leaflets were thickened and fused. b The connective tissue surrounding the inner layer of the sinus of Valsalva was resected as a layer. c Excision of the connective tissue surrounding the sinus of Valsalva. d The gross appearance of the mitral valve. The mitral leaflets were also thickened, and the posterior leaflet was shortened

Fig. 3
figure 3

a, b Pathological findings of the white connective tissue surrounding inner layer of the sinus of valsalva showed fibrous degeneration and myxoid degeneration accompanied with lymphocyte and macrophage infiltration (hematoxylin and eosin stain. ×40, ×200). The aortic (c) and mitral valves (d) showed calcification and fibrous degeneration (hematoxylin and eosin stain. ×40, ×100)