hi, my husband had an injury on his upper inner thigh from crashing his dirt bike which caused a large bruising about 4 to 6 inches long and wide. The bruise is getting lighter, but today he has a painless lump, about 2-3 inches wide, which feels slightly warm to the touch, and it is only slightly firm, but mostly soft. Should he put ice or heat on it to reduce the sweeling? Or should he make a dr s appointment