Peyronie's disease is an uncommon condition, which is, in most cases, related to vascular disease or penile trauma. Symptoms, including penile curvature, shortening, and pain, should initially be treated conservatively with the expectation for improvement or resolution.
1 milliliter (ml) = 1 gram (g). Milliliter (ml) is a unit of Volume used in Metric system. Gram (g) is a unit of Weight used in Metric system. Grams also can be marked as grammes (alternative British English spelling in UK).
If you were to put 1 milliliter of water in a test tube and find its mass, it would be exactly 1 gram. If something has a density of 9 g/ml, that means that for every 9 grams of the substance, it takes up 1 milliliter of space. The units are what they are due to the equation. Mass = grams = g.