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Breast cancer growth is dependent on time and it may be of utmost importance to take into consideration the duration of clinical symptoms in order to predict which patients are at high risk for disease recurrence. The aim of this study was to determine the association between duration of clinical symptoms and disease recurrence in patients with breast cancer. A total of 139 consecutive patients with primary breast cancer who underwent a radical breast operation were retrospectively investigated and the association between recurrence and the duration of symptoms was investigated. The duration of clinical signs was defined as the time from the onset of symptoms to the date of surgery. The breast cancer cases were divided into two groups on the basis of symptom duration (≤6 and &gt;6 months). The mean duration of symptoms was 191.0±242.6 days. Of the 139 cases, 36 (25.9%) had a duration of symptoms of &gt;6 months. In the univariate analysis, a statistically significant association with long symptom duration was observed for disease recurrence. Of the 139 patients, 6 (4.3%) developed recurrent disease. The univariate analysis revealed that long duration of symptoms and nuclear grade were significantly associated with recurrence. In conclusion, our results indicated that breast cancer progression is dependent on time. A long duration of symptoms (&gt;6 months) may be considered as an indicator of tumor progression and a strong prognostic factor in breast cancer patients.

Implication of duration of clinical presentation on tumor progression and short-term recurrence in patients with early breast cancer