(Of course, that's just for routine mammograms; breast lumps always require a mammogram and/or other tests to start diagnosing whether it might be breast cancer .).
What is the sediment sometimes found in a bottle of wine? The sediment is termed as 'Crust'. It is generally potassium bitartate which adheres to the inside of the wine bottle.
Sediment is a highly heterogeneous mixture which at the start of wine-making consists of primarily dead yeast cells (Lees (fermentation)) the insoluble fragments of grape pulp and skin, and the seeds that settle out of new wine.