Anterior wall adenocarcinoma of bladder with similar clinicopathological and prognostic characteristics as common bladder carcinomas should not be treated as or classified into urachal adenocarcinomas.

This study illustrates that PTL of UAC and BAC was an independent predictor for survival. A-BAC had comparable characters and prognosis with O-BAC and should not be classified into and treated as UrC. For non-metastatic disease, non-metastatic D-BAC may need more intensive modality.