A 51-year-old man with new painless gross hematuria. According to risk-based evaluation, which study is indicated?ACystoscopy and CT urographyBRenal ultrasound onlyCUrine cytology onlyDEmpiric antibiotics and repeat UAEHigh-risk hematuria features (e.g., older age) warrant cystoscopy and CT urography to evaluate urothelial malignancy. Ultrasound alone may miss upper tract pathology; cytology alone is not sufficient; empiric antibiotics delay diagnosis.Check my answer