<prompt> A patient presents with breast ca. Inspection shows peaud orange appearance. What is the T stage of the tumorT2T3T4aT4b  <response>: According to TNM staging , primary tumour T Tx- cannot be assesed T0- Nevidence of primary tumour. T1-20mm T2-20 to 50mm T3-50mm T4a- tumour of any size extending to chest wall T4b- ulceaion or ipsilateral satellite nodule edema with peaudorange appearence T4c- T4a and T4b T4d- inflammatory carcinoma. SRBs Manual of Surgery.Edition -5. Pg no:539. 