Is it possible for any type of breast cancer for the symptoms get better or do they continue to get worst?

Usually get worse: Breast cancers are usually slowly progressive - a painless enlarging lump that may sometimes cause skin retraction or dimpling. They can sometimes hurt. best test is a mammogram combined with ultrasound.

It depends : Symptoms of breast cancer vary by stage from localized to breast to generalized to body. Some symptoms may fluctuate between better and worse over short intervals of days but they generally slowly progress unless treatment is started.