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Table 2 Distribution of metastatic lymph nodes in 191 patients with bladder cancer at different T stages

From: Computed tomography and magnetic resonance imaging evaluation of pelvic lymph node metastasis in bladder cancer

Final T stage All patients (No.) Patients with lymph node metastasis [No. (%)] Pathological diagnosis Imaging diagnosis
All lymph nodes removed (No.) Metastatic lymph nodes [No. (%)] All lymph nodes displayed (No.) Metastatic lymph nodes [No. (%)]
Total 191 47 (24.6) 3317 184 (5.5) 82 51 (62.2)
pT1 56 2 (3.6) 982 3 (0.3) 6 2 (33.3)
pT2a 32 4 (12.5) 528 6 (1.1) 12 2 (16.7)
pT2b 36 6 (16.7) 633 11 (1.7) 23 10 (43.5)
pT3a 32 13 (40.6) 534 66 (12.4) 12 10 (83.3)
pT3b 19 10 (52.6) 339 23 (6.8) 19 17 (89.5)
pT4a 15 11 (73.3) 281 73 (26.0) 8 8 (100.0)
pT4b 1 1 (100.0) 20 2 (10.0) 2 2 (100.0)