Table 1.

The most probable keywords in 15 topics of LDA2vec

T1	Severity	invasive, muscle, bladder, high, cancer, tumor, significant, CI, overall, lower
T2	Treatment	treatment, therapy, management, review, evidence, related, standard, malignancy, use, development
T3	Survival	recurrence, survival, ci, free, cancer, specific, cox, overall, ratio, significant
T4	Urine	mean, urine, specimen, negative, invasion, value, sample, objective, age, higher
T5	Bladder	urinary, tract, reported, bladder, significant, urothelial, review, lower, among, revealed
T6	Upper urinary tract	UC, urothelial, carcinoma, higher, negative, upper, within, tract, tumor, characteristic
T7	Gene	expression, gene, tumor, tissue, normal, carcinoma, human, growth, urothelial, marker
T8	Lower urinary tract	bladder, cancer, effect, treatment, tumor, transurethral, among, detected, lower, number
T9	Chemotherapy	chemotherapy, median, advanced, treatment, treated, survival, effect, carcinoma, received, therapy
T10	Surgery	tumor, carcinoma, bladder, transitional, resection, detected, transurethral, urothelial, recurrence, malignant
T11	Patients’ characteristics	male, higher, range, analyzed, age, among, characteristic, transitional, objective, effect
T12	Grade	carcinoma, urothelial, grade, high, low, lesion, biopsy, negative, reported, specimen
T13	Radical cystectomy	cystectomy, radical, surgery, bladder, treated, among, significant, treatment, carcinoma, age
T14	Lymph Node metastasis	metastasis, node, lymph, surgical, metastatic, cancer, survival, range, carcinoma, radical
T15	Nephroureterectomy	tumour, renal, upper, tract, carcinoma, nephroureterectomy, urothelial, surgery, lower, grade

UC urothelial cancer