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Procedure

Excision (or subtotal mastectomy) Total mastectomy Other Not specified

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Specimen Laterality

Right Left Not specified

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Size (Extent) of DCIS (mm)

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+ Architectural Patterns

Comedo Paget disease (DCIS involving nipple skin) Cribriform Micropapillary Papillary Solid Other

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Nuclear Grade

Grade I (low) Grade II (intermediate) Grade III (high)

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Necrosis

Not identified Present, focal Present, central

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Margins

Cannot be assessed Uninvolved by DCIS Involved by DCIS

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Pathologic Staging (pTNM)

TNM Descriptors (select all that apply)

Not applicable r y

pT

pTis (DCIS): Ductal carcinoma in situ pTis (Paget): Paget disease of the nipple not associated with invasive carcinoma and/or DCIS in the breast

pN

pNX: Regional lymph nodes cannot be assessed pN0: No regional lymph node metastasis identified pN0 (i+): ITCs only (malignant cell clusters no larger than 0.2 mm) in regional lymph node(s) pN0 (mol+): Positive molecular findings (RT-PCR), but no ITCs detected pN1mi: Micrometastases (larger than 0.2 mm, but none larger than 2.0 mm) pN1a: Metastases in 1 to 3 axillary lymph nodes, at least 1 metastasis larger than 2.0 mm pN1b: Metastases in ipsilateral internal mammary sentinel nodes, excluding ITCs pN1c: pN1a and pN1b combined pN2a: Metastases in 4 to 9 axillary lymph nodes (at least 1 tumor deposit larger than 2.0 mm) pN2b: Metastases in clinically detected internal mammary lymph nodes with or without microscopic confirmation; with pathologically negative axillary nodes pN3a: Metastases in 10 or more axillary lymph nodes (at least 1 tumor deposit larger than 2.0 mm) pN3a: Metastases to the infraclavicular (Level III axillary lymph) nodes pN3b: pN1a or pN2a in the presence of cN2b pN3b: pN2a in the presence of pN1b pN3c: Metastases in ipsilateral supraclavicular lymph nodes

pM

pMx: Not applicable pM1: Histologically proven metastases larger than 0.2 mm

Check here if any lymph nodes submitted?

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+ Microcalcifications

Not identified Present in DCIS Present in nonneoplastic tissue Other

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- ANCILLARY HORMONE RECEPTOR STUDIES -

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- BIOMARKER METHODOLOGY -