https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14014518Edit ImageSaveSaveEditCropCustom TextA human bladder with a tumour. Pencil drawing by G.E. Blenkins, 1831.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 921 x 1200 px | 300 dpiLarge JPEG 2360 x 3076 px | 300 dpiFree DownloadA human bladder with a tumour. Pencil drawing by G.E. Blenkins, 1831.More