A lipoma is a benign tumourAn abnormal swelling that is not cancerous; in other words, it does not invade local tissues or spread to distant parts of the body. composed of fatty tissue. It is the most common benign soft tissue tumour and occurs in at least 1% of the population.
Condensation in a refrigerator is caused be the cool and warm air flow. When the dorr is opened warm air is pulled inside the unit and the cool air meeting it causes condensation to form on the walls of the unit.
A refrigerator constantly produces condensation inside its freezer compartment. The liquid that forms drips down a drain pipe into a pan underneath the appliance where it eventually evaporates. A plugged drain pipe throws a kink in this process, causing water to back up and pool on the inside bottom of the fridge.