Cannonball metastases (lungs)

Dr Varun Babu and Dr Ian Bickle et al.

Cannonball metastases refer to large, well circumscribed, round pulmonary metastases that appear, well, like cannonballs. The French term "envolée de ballons" which translates to "balloons release" is also used to describe this same appearance.

Metastases with such an appearance are classically secondary to:

Or less common primary tumors:

Lung cancer
Inspired signs
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Article information

rID: 22830
Section: Signs
Synonyms or Alternate Spellings:
  • Cannonball pulmonary metastases
  • Cannonball metastasis
  • Cannonball lung metastases
  • Cannon-ball metastases
  • Balloons release appearance
  • Cannon ball metastases

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