Help with pulmonary artery segmentation in pulmonary angiograms

Hello everyone,

I’m looking for guidance on segmenting pulmonary arteries in pulmonary angiograms before and after pulmonary embolism. I want to compare their surface area, but I’m unsure how to approach this in a 2D context. Can anyone guide me on how to accurately calculate the surface area of these arteries in a 2D context?

Any advice or resources you can offer would be greatly appreciated.

Thank you for your help.

Some thoughts that Perplexity provides:

Maybe you need to clarify what you want to achieve and what your radiological material represents.

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