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Table 2 TNM staging

From: Staging of lung cancer in a tertiary care setting in Sri Lanka, using TNM 7th edition. A comparison against TNM6

TNM stage TNM 7 TNM 6
T1 3 3
T2 25 20
T3 11 5
T4 23 34 (T4 by pleural effusions-19)
M 34 (pleural effusions M1a-19) 17