World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access
Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc
Journal website https://wjon.elmerpub.com

Original Article

Volume 16, Number 1, February 2025, pages 51-58


Prevalence and Clinical Outcomes of Human Epidermal Growth Factor Receptor 2 Expression in Patients With Advanced Urothelial Carcinoma

Figures

↓  Figure 1. Comparative overall survival (OS) in human epidermal growth factor receptor 2 (HER2) negative and HER2 score ≥ 1+.
Figure 1.
↓  Figure 2. Overall survival (OS) comparison among diverse human epidermal growth factor receptor 2 (HER2) scores.
Figure 2.

Table

↓  Table 1. Patient and Tumor Characteristics
 
Patient and tumor characteristics n (%)/median (range)
Age 79 (54 - 89)
Sex
  Male 37 (74%)
  Female 13 (26%)
Familial history of urothelial cancer 0 (0%)
Familial history of non-urothelial cancer 25 (50%)
  Lung 6 (12%)
  Gastric 5 (10%)
  Colon 5 (10%)
  Prostate 4 (8%)
  Hodgkin lymphoma 2 (4%)
  Breast 2 (4%)
  Pancreas 2 (4%)
  Biliary tract 2 (4%)
  Central nervous system 1 (2%)
Body mass index 23.81 (13 - 42)
Alcohol intake 25 (50%)
  Median standard drinks per week 6.4 (2 - 50)
  > 4 standard drinks per week 8 (16%)
Smoking history 34 (68%)
  Median pack-years 34 (1 - 120)
    0 - 10 7 (14%)
    11 - 20 7 (14%)
    21 - 30 10 (20%)
    31 - 70 6 (12%)
    71 - 100 2 (4%)
    > 101 2 (4%)
Occupational exposure 1 (2%)
Type 2 diabetes 17 (34%)
  Median years from diagnostic 14.1 (2 - 40)
Chronic hypertension 21 (42%)
  Median years from diagnostic 14.2 (1 - 40)
Second primary cancer 11 (22%)
  Breast 3 (6%)
  Prostate 3 (6%)
  Lung 1 (2%)
  Larynx 1 (2%)
  Cervical 1 (2%)
  Melanoma 1 (2%)
Primary tumor
  Bladder 35 (70%)
  Renal pelvis 13 (26%)
  Ureter 2 (4%)
Co-existence of carcinoma in situ 9 (18%)
Histological grade
  Grade 1 6 (12%)
  Grade 2 0 (0%)
  Grade 3 44 (88%)
Histological variant
  Papillary 36 (72%)
  Undifferentiated 3 (6%)
  Squamous cell 3 (6%)
  Not specified 3 (6%)
  Solid 2 (4%)
  Sarcomatoid 2 (4%)
  Micropapillary 2 (4%)
Second histological variant 8 (16%)
Clinical stage at diagnosis
  Localized 22 (44%)
  Locally advanced 15 (30%)
  Metastatic 6 (12%)
  Unknown 7 (14%)