[The Long-term Results of Valve Sparing Aortic Root Replacement and Aortic Cusp Repair for Aortic Regurgitation].

We reported our long-term results of valve sparing aortic root replacement (VSRR) and aortic cusp repair for aortic regurgitation( AR) were satisfactory. Three hundred twenty-seven patients had VSRR, and 164 patients of them had aortic cusp repair for prolapse. At 10 years after the operation, the overall survival was 91.

[Repair of Traumatic Brachiocephalic Artery Pseudoaneurysm by Open Surgery:Report of a Case].

The patient is a 56-year-old man. He fell while playing golf and sustained a contusion on his right chest. He fell into hemorrhagic shock during surgery for a right clavicle fracture at a nearby hospital and required cardiac resuscitation.

[Goblet Cell Carcinoid of the Appendix with Complicated Appendicitis-A Case Report].

A 50-year-old male was referred to our hospital for the further evaluation and treatment of abdominal pain. He was diagnosed with complicated appendicitis using computed tomography. After conservative treatment, he underwent an interval appendectomy.

[A Case of Rectal Cancer That Could Be Safely Resected by Laparoscopic Surgery, after Capecitabine plus L-OHP plus Cetuximab as Pre-Operative Chemotherapy].

A 56-year-old woman. She was underwent a lower gastrointestinal endoscopy for bloody stool, and type 2 advanced rectal cancer was found. In CT scan, although distant metastasis is not found, the tumor has been expanded to the dorsal side.

Estimation of microplastic emission and transfer into Tokyo Bay, Japan, using material flow analysis.

To reduce microplastic (MP) discharge into the aquatic environment, it is necessary to properly identify its sources and amounts. Here, specific MP sources, i.e.