I wouldn't want to sitting in plane for 10 hours with a hard swollen belly. You'll definitely be uncomfortable. If the areas are small, the discomfort level will be less, but it's not the best idea. Ultimately, it's your call. The patient in the photo link below went on a cruise 6 weeks after a...
Smartlipo or even Precision Tx cannot tighten a turkey neck, that is just too much laxity to expect a non-surgical procedure to correct. The situation on the abdomen may not be comparable, as there is no turkey neck of the abdomen, but if the concern is loose skin on the tummy, it is important...
Lipo removes an insignificant amount of weight and does not provide a solution for additional weight gain afer the procedure. The proper surgical treatment is bariatric surgery of which a variety of procedures exist. This will reduce weight on the legs and improve weight related knee pain.