- Publisher: Springer Japan
- ISSN: 18636705, 18632092
- Journal Impact Factor: 1.3
- SJR: 0.423
- Journal Quartile: Q2
- Publication Language: English
- Indexing: Scopus, Embase, Web of Science, PubMed, UGC
- Open-Access: No
- Country of Publication: Japan
- H-Index: 50
- Publication Area: Surgery (Q2); Cardiology and Cardiovascular Medicine (Q3); Medicine (miscellaneous) (Q3); Pulmonary and Respiratory Medicine (Q3)