The ultrasound scan shows a hernia with a sac ring of 0.6cm in the lower left abdomen consistent with a spigelian hernia
The CT scan shows a hernial sac protruding through a defect in the left linea semilunaris, and containing mesenteric fat; this corresponds to the area of abdominal tenderness.
A colonoscopy will be arranged later in the week.
pH: 5.5 (4.5 - 8.0)
Pus cells: 1-2/hpf (< 5)
RBC: 0/hpf (< 3)