![went to an orthopedic doc for my knee and found a giant tumor in my leg (and i need a knee replacement on the other knee before the end of the year). : went to an orthopedic doc for my knee and found a giant tumor in my leg (and i need a knee replacement on the other knee before the end of the year). :](https://i.redd.it/rd8so3nxget81.jpg)
went to an orthopedic doc for my knee and found a giant tumor in my leg (and i need a knee replacement on the other knee before the end of the year). :
![A 4-year-old boy (case 3). Photograph of the right knee demonstrates a... | Download Scientific Diagram A 4-year-old boy (case 3). Photograph of the right knee demonstrates a... | Download Scientific Diagram](https://www.researchgate.net/publication/286444317/figure/fig1/AS:941386350223369@1601455404216/A-4-year-old-boy-case-3-Photograph-of-the-right-knee-demonstrates-a-small-bump-along.gif)
A 4-year-old boy (case 3). Photograph of the right knee demonstrates a... | Download Scientific Diagram
![Hard lump (feels like bone) under kneecap. Def not on right leg. Only left, and no pain. I exercise a lot (basketball and running). Any help on what this is? : r/AskDoctorSmeeee Hard lump (feels like bone) under kneecap. Def not on right leg. Only left, and no pain. I exercise a lot (basketball and running). Any help on what this is? : r/AskDoctorSmeeee](https://preview.redd.it/hcnxcp6e4d371.jpg?auto=webp&s=14929ebb13f06c2af5da4c9117649f2e2e75e44f)