Classification of Breast Masses

Stage 0

Tis

Stage I

T1^a

Stage IIA

T1^a

Stage IIB

Stage IIIA

T1^a

N1, N2

Stage IIIB

N0, N1, N2

Stage IIIC

Any T

Stage IV

Any T

Any N

^aT1 includes T1mic

5.5 Summary

Breast
Tis	In situ
T1	≤2 cm
T1mic	≤0.1 cm
T1a	>0.1–0.5 cm
T1b	>0.5–1 cm
T1c	>1–2 cm
T2	>2–5 cm
T3	>5 cm
T4	Chest wall/skin
T4a	Chest wall
T4b	Skin edema/ulceration, satellite skin nodules
T4c	Both 4a and 4b
T4d	Inflammatory carcinoma
N1	Movable axillary	pN1mi	Micrometastasis, >0.2 mm, ≤2 mm
		pN1a	1–3 axillary nodes
		pN1b	Internal mammary nodes with microscopic metastasis by sentinel node biopsy but not clinically apparent
		pN1c	1–3 axillary nodes and internal mammary nodes with microscopic metastasis by sentinel node biopsy but not clinically apparent
N2a	Fixed axillary	pN2a	4–9 axillary nodes
N2b	Internal mammary clinically apparent	pN2b	Internal mammary nodes, clinically apparent, without axillary nodes
N3a	Infraclavicular	pN3a	≥10 axillary nodes or infraclavicular node(s)
N3b	Internal mammary and axillary	pN3b	Internal mammary nodes, clinically apparent, with axillary node(s) or >3 axillary nodes and internal mammary nodes with microscopic metastasis by sentinel node biopsy but not clinically apparent
N3c	Supraclavicular	pN3c Only gold members can continue reading. Log In or Register to continue Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Related posts: Recurrent Breast Cancer Healthy Breast with Ultrasound Anatomy, Physiology, and Development of the Male Breast Ultrasound Imaging of Breast Cancer Metastases Differential Diagnosis of Male Breast Cancer Ultrasound of Male Breast Cancer Stay updated, free articles. Join our Telegram channel Tags: Imaging of Male Breast Cancer Sep 12, 2016 \| Posted by admin in BREAST IMAGING \| Comments Off on Classification of Breast Masses Full access? Get Clinical Tree Get Clinical Tree app for offline access Get Clinical Tree app for offline access