<s>[INST] I am 66 & recently diagnosed with Type II diabetes. My left leg is very painful when I get up or walk. Tight muscle in calf. Knee is swollen, painful, and unstabale. Same leg upper inner thigh feels like a muscle pulled. Painful when entering or exciting car. [/INST] Hello, Pain may be due to peripheral vascular disease or cellulitis or calf muscle spasm or compartmental syn Chat Doctor.  Until examination is done it is difficult to say what it is. Please elevate the limb, use cold and warm compression, use painkiller medication. If symptoms not improved please consult your doctor he will examine and treat you accordingly. Hope I have answered your query. Let me know if I can assist you further.  </s>