Authors' contribution Wkład autorów: A. Study design/planning zaplanowanie badań B. Data collection/entry zebranie danych C. Data analysis/statistics dane-analiza i statystyki D. Data interpretation interpretacja danych E. Preparation of manuscript przygotowanie artykułu F. literature analysis/search wyszukiwanie i analiza literatury G. Funds collection zebranie funduszy Summary Background. Cancer is the second most common cause of morbidity and mortality in Poland and breast cancer is the most frequent malignant neoplasm occurring in Polish women. The aim of this paper is to analyse life satisfaction in women after mastectomy. Material and methods. The pilot study comprised of women with breast cancer after mastectomy and women in a good overall health. Results. On the basis of the conducted studies, it may be stated that women after mastectomy have a similar life satisfaction level as healthy individuals. The statistically relevant differences have been obtained only in some subscales related to leisure time, residence and parenting attitude. Conclusions. More detailed studies are required to elucidate some subtle differences in life satisfaction between women after a mastectomy and healthy women.