Talk to Andrologist on Penile Growth

i measure my penis size last four year ago at the age of 20 and its approximately 4.2 to 4.4 inch in length from pubic bone and in grith its approximately 4.3 inch but now i m 24 year old and when i measure its approximately 4.8 to 4.9 in length and 4.6 in grith so i want to know that is it medically possible that after age18 19 penis will further grow ??????