Case Report
Urachal Tumor: A Case Report of an Extremely Rare Carcinoma
Table 2
Mayo staging system.
| I | Confined to the urachus and/or bladder | II | Extension beyond the muscular layer of the urachus and/or bladder | III | Infiltration to the regional lymph nodes | IV | Infiltration to nonregional lymph nodes or other distant sites |
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