In an Instagram post, The New England Journal of Medicine released a photo featuring the 6-inch-wide blood clot in the shape of a patient’s right bronchial tree on November 23.

Yes, this whole tree-like blood clot emerged from a 36-year-old patient in one piece. The patient had received blood thinners after having a mechanical heart pump placed in his body.

It’s a completely intact, six-inch-wide clot of human blood in the exact shape of the right bronchial tree, one of the two key tubular networks that ferry air to and from the lungs.

A 36-year-old man who was suffering from chronic heart failure shocked doctors when he coughed up a blood clot closely resembling the bronchial tree in his right lung in late November.

A 36-year-old California man who was admitted to the intensive care unit with chronic heart failure was coughing so severely that he hacked up a blood clot in his lung that was shaped like his ...

So far, they have only tried the tentacle robot in 3D drawings of the bronchial tree. Then, they hope to use it on corpses and from there, on living patients.

They were treating a 36-year-old man with end-stage heart failure when he began coughing so violently, that he coughed up a 6-inch-wide blood clot from his lungs in the near-perfect shape of his ...

A 36-year-old California man who was admitted to the intensive care unit with chronic heart failure was coughing so severely that he hacked up an intact cast of the right bronchial tree.

SAN FRANCISCO -- Doctors at UC San Francisco Medical Center see a lot of things, but even they were stunned by this. They were treating a 36-year-old man with end-stage heart failure when he began ...