Doctors recently found a surprising growth in Ron Sveden’s lung: a pea plant.

Sveden, a 75-year-old man from Massachusetts reportedly suffered from emphysema for months. He worried when he met with New York City pulmonologist Len Horovitz that he might have lung cancer. Instead, X-rays revealed a pea plant, the BBC reports, which Sveden estimates grew to around half an inch.

Dr. Horovitz says that the lung’s warmth and moisture made the perfect pea habitat and suspects a pea seed went down the wrong way. He told AOL Health:

“That can definitely happen. This did not surprise me…. You can inhale a seed of a plant or sprouting plant and it can cause bronchial obstruction. I’ve pulled food out of people’s lungs before.”

Still, given the popularity of this story, we’re guessing lung gardening is pretty rare. As Sveden says in the ABC News video above, he’s not sure how big a lung-born pea plant can grow:

“Whether this would have gone full-term and I’d be working for the Jolly Green Giant, I don’t know.”

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