There are many people with such deformities. The association with finasteride has not been shown as one on one. Despite this, there are many claims that the two are related and the courts are full of men with such complaints. The prevalence of Peyronies disease is 1.5-6.5% (1.5% in young men and more common in older men as high as 6.5%) and this has nothing to do with the drug finasteride. Pictures of this condition can be found here: https://peyronies-disease-help.com/pictures-peyronies-disease-penile-curvature/