Author

R. Łuczyk

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Review Open access Sep 2026

Personality and Coming to Terms with Cancer: A Cross-Sectional Study of Five-Factor Traits and Illness Acceptance in Oncology Outpatients

Background/Objectives: A cancer diagnosis forces a rapid, often unwelcome reorganization of a patient’s sense of self, routines, and future plans, and patients vary considerably in how far they progress toward accepting that new reality. Personality is a candidate explanation for this variability, and although the Five...

R. Łuczyk, D. Weber, Agata Wiśnios et al. · Journal of Clinical Medicine · 0 citations

Open access Oct 2026

Molecular Proliferation Marker Ki-67 in Breast Cancer: The Role of Vitamin D Status, Hormone Receptor Expression, and Clinicopathological Factors—A Cross-Sectional Study

Ki-67 is a well-established nuclear biomarker of tumor cell proliferation with key importance for the molecular classification and prognostic stratification of breast cancer. This cross-sectional study included 101 women with histopathologically confirmed invasive breast cancer treated at the St. John of Dukla Oncology...

D. Weber, R. Łuczyk, A. Pacian et al. · International Journal of Mol... · 0 citations

Open access Aug 2026

Environmental and Clinical Determinants of Vitamin D Status in Breast Cancer Patients: A Multivariable Analysis

Vitamin D status in patients with breast cancer is shaped by complex interactions among modifiable lifestyle factors and tumour characteristics, and targeted interventions addressing diet quality, psychological well-being, sleep health, and weight management may improve vitamin D status in this population.

D. Weber, R. Łuczyk, A. Pacian et al. · Nutrients · 1 citation