This tumor can involve the membranous coverings of the lung, the heart, or the abdominal organs.

These tumors spread locally to the lymph nodes and can also involve the kidneys, lungs, bones, and brain.

These tumors can involve the kidneys,lungs, bones and brain.

A minimally invasive approach may be possible if the tumor involves the aortic valve or right atrium.

The tumor may contiguously involve the cerebellar peduncles, cerebellum, the cervical spinal cord, and/or thalamus.

These tumors often involve the submucosal lymphatics of the esophagus.

Within the pelvis, these tumors may involve specific organs, or occupy intra-organ spaces.

Pancreatic tumours involve the islet cells, giving rise to gastrinomas or insulinomas.

The tumors usually involve the posterior elements, and 17% of spinal osteoblastomas are found in the sacrum.

In nasopharyngeal carcinoma, the tumor may extend laterally and involve this sinus involving the Mandibular nerve.