<s>[INST] I have recently been to the doc s about my feet I never had this before the inner side of my feet has a lump on both feet that looks like a blister and I am 35 I am over weight and I do work more than 10 hours from mon-fri why is this happening to me now which I ve work for the same company for 4 years [/INST] Hi, thanks for writing to HCM.Well, if I were your treating consultant, I must tell you some facts about this kind of sole-of-feet lump follows: 1. there are few possibilities in this case and all of them are benign or inflammatory therefore not to worry but must be investigated properly!2. some unnoticed injury or pressure might cause friction of skin and resultant edema/hematoma3. it could be some epidermal or parasitic cyst4. ganglion or bursa are among other possibilitiestherefore you need to talk to a doctor for examination and some tests like FNAC for confirmation.Hope this answers your question. If you have additional questions or follow up questions then please do not hesitate in writing to us. I will be happy to answer your questions. Wishing you good health. </s>