In the photos, there appears to be lower abdominal fullness, but the images cannot determine whether this is normal residual swelling, a small fluid collection, scar firmness, muscle repair tension, or remaining fat/skin laxity. At six months after a tummy tuck, some swelling can still be present, especially later in the day or after activity, but the trend should generally be slowly improving. If the area is getting larger, feels fluid-like, is one-sided, painful, red, warm, draining, or associated with fever, you should contact your surgeon promptly. If it is stable but bothersome, an in-person exam is the right next step; your surgeon can check for a seroma or scar tissue and advise whether time, compression, lymphatic massage, ultrasound, or a later revision discussion is appropriate.