Diagnostic US demonstrates large masses seen on recent CT: at right lung base (largest dimension measuring up to 6 cm), and in left upper quadrant at splenic flexure (measuring 12 x 8 x 6 cm). Decision is made to biopsy the left abdominal mass.
Patient is prepped and draped. Sedation with 25 mcg fentanyl and 1 mg midazolam IV. 10 mL 1% lignocaine in subcutaneous soft tissues and at peritoneum. 2 x 18 G cores of mass taken under US guidance.