Secondly, the hard lump in the calf may be caused by hematoma, which can be treated by hot compress massage. If the situation is serious, you should go to the hospital in time to avoid missing the best treatment opportunity.
Third, there may be varicose veins in the calf. Leg varicose vein is a common disease in middle-aged people, which is caused by the distortion, expansion and extension of the great superficial vein and its branches due to the increase of venous pressure. So pay more attention at ordinary times.