Invasive cribriform carcinoma (ICC) is a type of malignant tumor with slow growth and good prognosis. The study was a single center retrospective study. The percentage of ICC among patients diagnosed with breast cancer was 0.3% (8/2454 patients). All patients tested positive for estrogen or progesterone receptors and 12.5% (1/8) patients tested positive for human epidermal growth factor receptor type2 (HER2). The present study suggests that the clinicopathological features of ICC are low-grade hormone receptor-positive luminal type with a good prognosis. However, some patients were HER2-positive and require careful follow-up.
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Yoshino et al. (2024) studied this question.
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