Assessing the Utility of Ultrasound Compared to Cross-Sectional Imaging in the Follow-up of Patients With Renal Cell Carcinoma

Inclusion Criteria:

• Patients must be 18 year of age or older.

• Patients having undergone radical or partial nephrectomy for the indication of renalcell carcinoma.

• Most recent imaging study must have been either computed tomography (CT) or magneticresonance imaging (MRI).

Exclusion Criteria:

• Patients with pT4 disease (tumor invades beyond the Gerota fascia: includingcontiguous extension into the ipsilateral adrenal gland).

• Patients with metastatic disease prior to time of surgery requiring systemictreatment.

• Patients with another active cancer diagnosis requiring systemic treatment.

• Patients with contrast allergies.

• Patients with baseline chronic kidney disease (GFR < 45 ml/min/1.73 m2).