1. RESULTS Average age: 56 years Mean tumor size: 2.45cm Epidemiology and primary tumor Tumor Size (cm) Aged Percentage

2. 60% no pathological lymph nodes sonographically AXILLARY LYMPH NODES RESULTS Axillary lymphadenopathy Percentage No Yes 23% pathological lymph nodes are oval ultrasound Morphology of the lymph nodes Percentage OvalRoundedLobedIll-defined

3. Cortical thickening in 22 patients 21 of the cases was focal type and only 1 in diffuse type AXILLARY LYMPH NODES RESULTS Cortical thickening Morphology of the cortical thickening Percentage No Yes

4. FNA in 66 cases. In 47 patients FNA was done in 25 patients (22%) was positive for malignant cells, followed by 12 cases (10%) nonspecific reactive lymphadenitis Fine-needle aspiration (FNA) RESULTS Hilum preserved in 60% cases, but not in the remaining 40% loss of hilum No Yes Fine-needle aspiration (FNA) results reactive adenitis Acelular frotis Positive Negative Percentage

5. Sentinel node biopsy (SNB) In 80 (70%) of total cases SNB was performed in 62 (55%) had no tumor cells in 16 (14.2%) micrometastases and in 2 (1.8%) metastatic mass RESULTS Percentage Sentinel node biopsy (SNB) No Yes Sentinel node biopsy (SNB) results without tumor cellsmicrometastases Massive metastases

6. Lymphadenectomy In 71 (63%) of cases has not been carried out LA, and yes in 42 (37%), and results in 9% without tumor cells, 24% micrometastasis and 4.5% mass metastases RESULTS Percentage lymphadenectomy No Yes Lymphadenectomy results without tumor cellsmicrometastases Massive metastases

7.  There is a statistically significant relationship between the results of ultrasound and pathologic study ( P<0,0001)  No statistically significant relationship between the morphology of the adenopathy and pathological findings ( P: 0,84)  No statistically significant relationship between crustal thickening and the pathological findings ( P: 0,21)  There is a statistically significant relationship between the loss of hilar and pathology results ( P: 0,04)  There is a statistically significant relationship between the result of fine-needle aspiration biopsy and pathology results ( P<0,0001) RESULTS

8. Axillar Ultrasound Sensivity: 72% Specifity: 75% Positive predictive value (PPV): 64% Negative predictive value (NPV): 80% RESULTS Ultrasound + Ultrasound - Metastases Non-Metastases

9. Punción aspiración con aguja fina Sensivity : 75% Specifity : 81% Positive predictive value(PPV): 88% Negative predictive value (NPV): : 61% RESULTS Metastases Non-Metastases FNA +FNA -