I recently returned to work following my left knee arthoscopy, and since my job is somewhat physical, I assumed the calf pain (below right knee) was due to the return to work. The pain has been persistent, and I even had trouble sleeping last night because of it. My leg doesn't look swollen (I am a bit overweight) or feel hot, so I'm unsure if I should worry about a possible DVT. I am probably going to phone my GP to see if she thinks I should go in and be evaluated. In the meantime, is it safe to assume that a DVT would present with redness and visible swelling?