Tell me the stage of carcinoma
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python3 -c " import pdfplumber, os files = { 'GGN': '/home/daytona/workspac…
I now have all the data needed. Here is the complete staging analysis:
Carcinoma Staging - Mrs. Prem Narula (82F, Right Breast)
Data Extracted from the Three Reports
| Report | Key Findings |
|---|---|
| Biopsy (7 Jul 2026) | Invasive Ductal Carcinoma, Grade 2; ER+ (Allred 8/8), PR+ (Allred 7/8), HER2- (IHC 1+); Ki-67 15-18%; No lymphovascular invasion |
| Mammography (4 Jul 2026) | Right breast retroareolar irregular spiculated mass ~3 x 2 cm (BIRADS 5); right axillary tail mass 12 x 12 mm (BIRADS 4); skin thickening and retraction |
| PET/CT (13 Jul 2026) | Primary lesion 2.0 x 1.8 x 2.4 cm (SUVmax 9.2), skin involvement/NAC involvement; FDG-avid right axillary stations I and III nodes (largest 1.1 x 0.9 cm, SUVmax 5.0); No distant metastases |
TNM Staging (AJCC 8th Edition)
| Parameter | Value | Rationale |
|---|---|---|
| T | T2 | Tumor ~2-3 cm; skin retraction and NAC involvement present but tumor does not directly invade chest wall or cause ulceration/edema qualifying for T4 |
| N | N1 | FDG-avid ipsilateral axillary lymph nodes at levels I and III - metastatic (clinically node-positive, cN1) |
| M | M0 | No distant metastatic disease on PET/CT whole body scan |
Overall Clinical Stage: Stage IIB (cT2 N1 M0)
If the axillary nodes are pathologically confirmed at surgery, this could upgrade to Stage IIIA (pT2 pN2) if 4 or more nodes are involved, but based on imaging currently it appears to be 1-3 nodes - most consistent with Stage IIB.
Molecular Subtype
| Marker | Result |
|---|---|
| ER | Positive (>95%, Allred 8/8) |
| PR | Positive (85-90%, Allred 7/8) |
| HER2 | Negative (IHC 1+) |
| Ki-67 | 15-18% (intermediate) |
| Subtype | Luminal B (HR+/HER2-) |
Ki-67 of 15-18% sits at the border of Luminal A vs Luminal B. Many guidelines (St. Gallen) use a cut-off of 20%; however, given Grade 2 histology and the intermediate Ki-67, this is best classified as Luminal B-like.
Summary
Mrs. Prem Narula has Stage IIB (cT2 N1 M0) Invasive Ductal Carcinoma of the right breast, Grade 2, Luminal B (HR+/HER2-) subtype.
- Primary tumor: ~2-3 cm, retroareolar, with skin/NAC involvement
- Regional nodes: Right axillary levels I & III involved (metastatic)
- Distant disease: None detected
- Favorable receptor profile (strongly ER/PR positive, HER2 negative) - suitable for endocrine therapy as a key component of systemic treatment
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