Clinical Decision-Making Cystectomy/*methods Cytoreduction Surgical Procedures/methods Humans *Neoplasm Metastasis/pathology/therapy Practice Guidelines as Topic Treatment Outcome *Urinary Bladder Neoplasms/pathology/surgery Bladder cancer Lymph node dissection Lymph node metastasis Metastasectomy Metastatic bladder cancer Surgery interest including specific financial interests and relationships and affiliations relevant to the subject matter or materials discussed in the manuscript (eg employment/affiliation grants or funding consultancies honoraria stock ownership or options expert testimony royalties or patents filed received or pending) are the following: None.