Fig. 4From: Alterations of PTEN and SMAD4 methylation in diagnosis of breast cancer: implications of methyl II PCR assayDistribution of SMAD4 methylation degree among breast cancer patients according to tumor (a) stages, (b) grades, (c) lymph node, (d) estrogen receptor, e progesterone receptor, and (f) HER2 statuses. Significant difference was determined using Student’s t test. P value < 0.05 was considered significantBack to article page