It could be seen in the segmented bodies of worms, in the vertebrae of animals with backbones, in the head-thorax-abdomen construction of insects. In all of these, modular units like Lego TM ...

Investigations. Serum protein electrophoresis, contrast CT of thorax and abdomen, endoscopic retrograde cholangiopancreatography with endoscopic biopsy and pleural biopsy. Diagnosis ...