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Fig. 1 | World Journal of Surgical Oncology

Fig. 1

From: False-negative frozen section of sentinel nodes in early breast cancer (cT1-2N0) patients

Fig. 1

Preoperative imaging studies. A Size of detectable tumors on sonography. B Tumor characteristics on sonography. C Sonography results were categorized by Breast Imaging Reporting and Data System (BI-RADS). The tumor shown was not identified by sonography, or patients who did not receive sonography in our hospital were excluded from these three analyses. D Size of detectable masses by mammography. The area of microcalcifications and architectural distortion were not included in the measurement of the tumor size. E Characteristics of breast cancer by mammography. F Results of mammography were categorized by BI-RADS. The tumor failed to be identified by mammography, and patients who did not receive mammography in our hospital were excluded from these three analyses. G Cytology results of fine-needle aspiration of a primary breast tumor. H Long-axis length of samples from core needle biopsy. I Histological results of core needle biopsy for a primary breast tumor. Patients who did not receive tissue-proven examinations in our hospital were excluded from these analyses

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