Table 1. Characteristics of the population of 75 ER-positive/HER2-negative breast cancers patients.
| Number of patients (%) | |
|---|---|
| Patient’s age # | 50 (44 to 60) |
| Menopause† | |
| Yes | 23 (32) |
| No | 49 (68) |
| Tumor Size* | |
| T0-T1 | 1 (1) |
| T2 | 26 (35) |
| T3 | 39 (52) |
| T4 | 9 (12) |
| Lymph node involvement* | |
| N0 | 33 (44) |
| N1 | 36 (48) |
| N2 | 5 (7) |
| N3 | 1 (1) |
| Histological Type | |
| Invasive ductal | 67 (89) |
| Lobular | 3 (4) |
| Other | 5 (7) |
| Histological Grade** | |
| Grade-1 | 3 (4) |
| Grade-2 | 50 (67) |
| Grade-3 | 22 (29) |
| Surgery | |
| Lumpectomy | 37 (49) |
| Mastectomy | 38 (51) |
| Pathologic Response rate | |
| pCR | 6 (8) |
| Non pCR | 69 (92) |
# Median, interquartile range (IQR).
†Missing data: Menopause n=3.
* Clinical classification before 18FDG-PET/CT according to the seventh edition of the AJCC Staging Manual.
** Histological grade was assessed using the modified Scarff-Bloom-Richardson grading for invasive carcinoma.
pCR: Pathological Complete Response.