Info

🌱 來自: Staging of breast cancer

Primary tumor T of breast cancer

• TX Primary tumor cannot be assessed

• T0 No evidence of primary tumor

  • Tis Carcinoma in situ
  • Tis (DCIS) Ductal carcinoma in situ
  • Tis (LCIS) Lobular carcinoma in situ
  • Tis (Paget’s) Paget’s disease (Paget disease) of the nipple NOT associated with invasive carcinoma and/or carcinoma in situ (DCIS and/or LCIS) in the underlying breast parenchyma. Carcinomas in the breast parenchyma associated with Paget’s disease are categorized based on the size and characteristics of the parenchymal disease, although the presence of Paget’s disease should still be noted.

• T1 Tumor ≤20 mm in greatest dimension

  • T1mi Tumor ≤1 mm in greatest dimension 小於一米米，T1mi
  • T1a Tumor >1 mm but ≤5 mm in greatest dimension 一到五米米
  • T1b Tumor >5 mm but ≤10 mm in greatest dimension 五到一米米
  • T1c Tumor >10 mm but ≤20 mm in greatest dimension 一到兩公分

• T2 Tumor >20 mm but ≤50 mm in greatest dimension 二到五公分

• T3 Tumor >50 mm in greatest dimension 五公分加加

• T4 吃到胸壁或皮膚

  • T4a Extension to the chest wall 沒到胸大肌
    • not including only pectoralis muscle adherence/invasion
  • T4b Ulceration and/or ipsilateral satellite nodules and/or edema (including peau d’orange) of the skin
    • which do not meet the criteria for inflammatory carcinoma
  • T4c: T4a + T4b
  • T4d Inflammatory carcinoma