What symptom is typically associated with non-invasive papillary carcinoma?

Non-invasive papillary carcinoma, primarily seen in the urinary bladder, often presents with painless hematuria as a typical symptom. Hematuria refers to the presence of blood in the urine, and when it is painless, it suggests that the underlying issue is not causing irritation or inflammation of the urinary tract, which often leads to discomfort.

This symptom is a key indicator of bladder cancer, as tumors can cause vascular changes and result in bleeding without associated pain. Painless hematuria is commonly reported among patients with a variety of urinary tract conditions, but it is especially hallmark for non-invasive papillary carcinoma since the lesion does not invade the underlying structures to cause pain.

The other options generally relate to other urinary conditions or complications. Painful urination typically indicates urinary tract infections or inflammation; frequent bladder infections can be a separate issue, often associated with irritative voiding symptoms; and lower abdominal pain may arise from a range of conditions, including but not limited to infections, stones, or invasive cancers. These symptoms do not characterize non-invasive papillary carcinoma as distinctly as painless hematuria does.