it would not be possible to make blind diagnostic determination without an examination based solely on your brief description but one possible consideration may be peyronie's disease. you will need to see a urologist for a proper examination to make a diagnosis.
i'm 67. i have a complete ring around the penis just below the glans that has lost spongy tissue. penis is bent. normal? . this has happened within the last year. the missing tissue is about the width of a finger. penis has shrunk. all normal or damage?