A 52-yeаr-оld femаle with а histоry оf worsening proteinuria and microscopic hematuria underwent an uncomplicated ultrasound-guided percutaneous renal biopsy of her left native kidney 3 weeks ago. The biopsy pathology confirmed membranous nephropathy. Today, she presents to the outpatient clinic reporting a 4-day history of visible, dark red blood in her urine (gross hematuria) and a new, dull, aching pain in her left flank. She denies any recent trauma, fever, chills, or dysuria. Physical Examination & Vitals: Blood Pressure: 168/94 mmHg (Baseline prior to biopsy was 130/80 mmHg. Heart Rate: 82 bpm. Temperature: 98.4°F (36.9°C). Left Flank: Mild tenderness to deep palpation; no palpable masses or ecchymosis. Cardiovascular: Normal S1/S2; no audible abdominal or flank bruits on auscultation. Laboratory Findings: Hemoglobin: 11.2 g/dL (dropped from 12.8 g/dL pre-biopsy) Serum Creatinine: 1.4 mg/dL (stable from her baseline of 1.3 mg/dL) Urinalysis: Grossly bloody; positive for numerous RBCs; negative for nitrites and leukocyte esterase. Which of the following is correct about this image?