Background: Breast cancer (BC) was the most common cancer in women worldwide, contributing 
25.4% of the total number of new cases diagnosed in 2018, and approximately 7% of women with BC
are diagnosed before the age of 40 years the BC in young females differ, so It need more attention.
Aim: To describe some clinical characteristics of BC in young females patient's ≤40 years old 
attending Minia oncology center. Research hypothesis: clinical characteristics of BC may differ in 
young females. Subjects and methods: This a cross sectional study was conducted included 100
women ≤ 40 years old attending Minia oncology center with BC. Subjects participating in the study 
filled in a questionnaire including questions about socio-demographic data, and medical data 
concerning BC. Results: the females enrolled in study 100 BC females ≤ 40 years old, and Mean 
age of the studied cases was 33.5±3.8. The commonest complaint was lump, the most common stages 
was stage III and stage IV. With slightly high rate of metastasis and recurrence rate. About half is ER 
and PR positive and about 29% was triple negative. In females' ≤40 years had a progressive manner 
as the most common stages was stage III(37%)and stage IV (34%). About 13% had experience of 
recurrence, and metastasis was seen in 21% of studied females. Recommendation; There is a need to 
increase awareness about BC among younger women as this age group under presented , its serious 
consequences' and as well as establishment screening tools and programs is important to focus on BC 
in young women.