Lecture notes for medical students

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7. See notes for bibliography.

2. Stage TNM
• 0
• I
• IIA
• IIB
• Tis N0, M0
• T1, N0, M0
• T0, N1,MO
• T1,N1,M0
• T2,NO,M0
• T2,N1,MO
• T3,NO,MO

3. Stage TNM
• IIIA
• IIIB
• IIIC
• IV
• T0 -- T3,N1/N2,MO
• T4,N1/2,MO
• AnyT,N3,M0
• AnyT,AnyN,,M1

4. Primary Tumor (T)

5. Primary Tumor (T)
 TX Primary tumor cannot be assessed
 T0 No evidence of primary tumor
 Tis Carcinoma in situ
 T1 >2cm
 T2 2-5cm
 T3 >5cm
 T4 fixed to chest wall or skin

6. Regional Lymph Nodes (N)

7. Regional Lymph Nodes (N)
• NX Regional lymph nodes cannot be assessed
(e.g.,previously removed)
• N0- No regional lymph node metastases
• N1- Metastases to movable ipsilateral
• N2- Metastases in ipsilateral level I, II axillary
lymph nodes that are clinically fi xed or matted
• N3- Metastases in ipsilateral infraclavicular lymph
node(s) ,ipsilateral internal mammary lymph
node(s) ,ipsilateral supraclavicular lymph node(s)

8. Regional Lymph Nodes (N)
Level of Lymph nodes
• Level I --Lateral to P. Minor
• Level II –Deep to P.Minor
• Level III – Medial to Minor

9. Metastasis

10. Metastasis
• Mx –Cannot be assesed
• Mo- No Mets
• M1- Mets +nt

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