case_images: PMC7416577_01
case_images: Lower abdominal CT scan showing superior and anterior bladder mass and cystic lesions with peripheral calcifications.
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case_images: PMC7416577_01_f1000research-8-22074-g0000.jpg
case_images: f1
case_images: A timeline of the major timepoints in the patient's history, diagnosis and treatment is provided ( Figure 1).
case_images: Partial cystectomy with urachal resection plus omphalectomy.. A bladder dome mass of approximately 5cm was resected.
case_images: f1000research-8-22074-g0001.jpg
case_images: PMC7416577_01_f1000research-8-22074-g0001.jpg
case_images: f2
case_images: Figure 2). Following this, a transurethral resection was performed.
case_images: a) Primary adenocarcinoma (AC) and infiltrated muscle layer (M) (blue arrows).
  b) Tumor-free urachus.
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case_images: PMC7416577_01_f1000research-8-22074-g0002.jpg
case_images: f3
case_images: Mobile solitary tumors that are away from the base may potentially benefit from partial cystectomy, so a partial cystectomy plus extended lymphadenectomy was scheduled ( Figure 3).
case_images: Timeline of major timepoints in the patient's history, diagnosis and treatment.
case_images: f1000research-8-22074-g0003.jpg
case_images: PMC7416577_01_f1000research-8-22074-g0003.jpg
case_images: f4
case_images: The urachus was tumor-free ( Figure 4).