it is not very likely that childhood pneumonia even a serious bout that you described would have lifelong issues. i don't know how old you are now but if you have not been having any lung issues i suspect you are free and clear. this is just a guess however since i do not know the details of your childhood case.
can having pneumonia as a young child have an effect on future health and growth? . as a 3 to 5 year old i contacted pneumonia and was hospitalized and i was told by my parents that i was in a coma. i only recall being isolated from my parents by a window. i also recall being in some kind of tent. this is all i recall.