HighlightsDuctal Carcinoma in situ in sclerosing adenosis encapsulated by a hamartoma is rare.The diagnosis is difficult due to the appearance of these combined lesions.Atypical appearance of a hamartoma may suggest a co-existing malignancy.

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Cu2(2.00‐x)((2In)y (ZnSn)(1.00‐y))x S4 crystals were grown from the melt. 23 samples with different x and y values were synthesized by heating constituent elementary Cu, In, S and Zn‐Sn alloy at 1,250 °C for 10 hours in each evacuated fused‐quartz ampule. All samples were characterized by powder X‐ray diffraction analysis. Two peaks are seen at the 112 diffraction positions in 0.3 ≤ y ≤ 0.9. The FWHM of the 112 diffraction peak broadened in 0.2 ≤ y ≤ 0.7. Lattice constants were obtained by Rietveld method using two tetragonal structure models simultaneously in the refinement. Both a and c obtained as CuInS2 phase changed almost linearly in y ≥ 0.7; therefore the existence of CuInS2 phase solid solution containing Zn and Sn was indicated in this region. The miscibility gap was also suggested as the region of 0.2 ≤ y ≤ 0.7 in our results because of the shape and the broadening of the 112 diffraction peaks. (© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Highlights Intestinal leiomyosarcoma is a rare tumor with a decreased incidence due to redefinition by WHO. Perforation is an atypical presentation of intestinal leiomyosarcoma. Invasion of the surrounding intestine weakened the intestinal wall resulting in perforation.