These septaria-skeletons represent quartzose infillings of the cracks of the septarian nodules, and they are set free by the weathering of the surrounding nodule material.

Biden’s regular medical evaluation earlier this month turned up a “small nodule” on his prostate that required he undergo “further evaluation.” ...

A small nodule was found in former President Joe Biden's prostate during a routine physical exam that he recently received, media reports say.

Former President Biden’s regular medical exam last week revealed a “small nodule” on his prostate, his spokesperson confirmed Tuesday. “In a routine physical exam a small nodule w… ...

Doctors discovered a “small nodule” in former President Joe Biden’s prostate during a recent physical exam, it has been revealed.

Further testing would be needed to determine if a nodule points to prostate cancer or is benign, meaning noncancerous.

Joe Biden has a small nodule on his prostate during 'a routine physical exam' that 'necessitated further evaluation,' a spokesperson told ABC News ...

Biden, 82, spent last Friday at a hospital in Philadelphia after a “small nodule” was discovered on his prostate during a routine physical exam, according to The New York Times.

Former President Joe Biden will undergo further testing after doctors found a "small nodule" in his prostate. What does that mean? Is it cancerous?