Constipation. Clean Poop. No Smell. Mean Anything? 71 Year Old

Constipation. Clean poop. No smell. Mean anything? 71 year old white male. Unusual. Same situation for a few weeks. No family history of GI problems. No previous history of GI distress. Diet a variety of meat and veggies. Some dairy. Little sugar. Red meat once or twice per week. No pain or discomfort.
Mean anything?