Related Clues:

• Problem-solving advice appropriate for this puzzle?
• Try hard to visualize
• Swelling
• Abnormal enlargement
• Bump on a branch
• Eliminate distractions
• Camera concern
• Concentration
• Knotty swelling
• 'Concentrate!'
• Part of the lymphatic system
• Concen-tration
• Protu berance-
• Bump on a log
• Lymph gland