It's a mix of many things as I so often work. I use photos, and sometimes I scan objects, so it is my upside-down studio, don't know if you have heard of it. Use whatever technique I think can give me the result I'm looking for. In this case, a picture with a look that reminds you of an organ but is not a real organ, as I said, trying to "personify it," make it a new living being that in reality, doesn't exist and will never do.
Have you seen my picture "The heart"? It's probably my best in this category, and I have sold more copies of it than any other picture I've made in this style. That picture originally was a crust frozen root, whit similar decayed leaves from the last summer frozen to it that I found one winter, cars had run over it, and people walked on it, totally in ruin. I saw the form of a heart in it and first isolated that form in PS (which I use primarily for my after-work end edits but also many other small programs and effects, in this one here, I'm trying AI for the first time, for example, one new weapon in my arsenal) I had to try to lift it, and that's where the drawing comes in. To lift it and get better 3D I had to draw shadows, especially near the edges, and layered many pieces from other photos onto it to get the look I wanted, a Heart of dead and decayed leaves.
In this picture, it's similar. Removed all background, drow dark deep edges, and shadows to make it more rounded, as well as on it to get the feeling of a ball/bladder, get from other sources this and that I wanted but wasn't in the original picture.
I put a copy of the picture The Heart along whit this comment so you can see similar work.
RE: There is a war going on in my lung ...