Olaf Johan Hartmann-Johnsen

Survival is Better After Breast Conserving Therapy than Mastectomy for Early Stage Breast Cancer: A Registry-Based Follow-up Study of Norwegian Women Primary Operated Between 1998 and 2008

Olaf Johan Hartmann-Johnsen, Rolf Kåresen, Ellen Schlichting et al. · Annals of Surgical Oncology · 2015 · 152 citations · Full text

Medicine, Oncology, Surgery +14

Contrasting DCIS and invasive breast cancer by subtype suggests basal-like DCIS as distinct lesions

Helga Bergholtz, Tonje G. Lien, David Swanson et al. · npj Breast Cancer · 2020 · 83 citations · Full text

Medicine, Genetics, Oncology +17

Better survival after breast-conserving therapy compared to mastectomy when axillary node status is positive in early-stage breast cancer: a registry-based follow-up study of 6387 Norwegian women participating in screening, primarily operated between 1998 and 2009

Olaf Johan Hartmann-Johnsen, Rolf Kåresen, Ellen Schlichting et al. · World Journal of Surgical Oncology · 2017 · 43 citations · Full text

Medicine, Oncology, Cancer Screening +12

Using clinical cancer registry data for estimation of quality indicators: Results from the Norwegian breast cancer registry

Olaf Johan Hartmann-Johnsen, Rolf Kåresen, Ellen Schlichting et al. · International Journal of Medical Informatics · 2019 · 43 citations · Full text

Medicine, Oncology, Breast Oncology +13

Subtype and cell type specific expression of lncRNAs provide insight into breast cancer

Sunniva Bjørklund, Miriam R. R. Aure, Jari Häkkinen et al. · Communications Biology · 2022 · 38 citations · Full text

Life Sciences, Molecular Biology, Oncology +17