A negative image of a section of an X-ray of the chest and upper abdomen, anterior-posterior view, showing a well circumscribed opacification to the left of the spinal column. The identity of the patient is known.
Two X-rays of thoracic spine, anterior-posterior and lateral views, showing an opacification to the right of the spinal column with erosion of the adjacent vertebral body. The identity of the patient is known.
An X-ray of the abdomen and pelvis, anterior-posterior view, pyelogram showing a smooth swelling of the left kidney, with calcification. The patient is a male adolescent, 16 years old. The identity of the patient is known.