Hi thanks for your question.
Your husband is having varicose vein along with lump on thigh.These veins have become painful.Though veins are superfascial ,they need ligation,(operation for varicose vein) as these veins can rupture and can lead to fatal bleeding.The lump on thigh could be a dilated inflammed vein.I would suugest you consult a general surgeon
and get varicose veins
of your husband ligated in order to prevent sudden rupture of veins with fatal bleeding.
Hope this answers your question.