T4b

Ulceration and/or ipsilateral macroscopic satellite nodules and/or edema of the skin

T4c

Both T4a and T4b

T4d

Inflammatory carcinoma 0.2 mm

Nodes

cNX

Regional lymph nodes cannot be assessed

cN0

No regional lymph node metastases

cN1

Metastases to movable ipsilateral axillary lymph node (s)

cN2

Metastases in ipsilateral axillary lymph nodes fixed or matted Or in ipsilateral internal mammary nodes in the absence of axillary lymph node metastases

Metastases

M0

No clinical or radiographic evidence of distant metastases

cM1

Distant metastases detected by clinical and radiographic means

pM1

Any histologically proven metastases in distant organs; or if in non-regional nodes, metastases greater than 0