What if tumour removal surgery does not relieve a new lump or swelling?

After an operation, the tissues can be firm, tender, or swollen while they heal. A pocket of fluid, a collection of blood, scar tissue, or an infection may also create a new area that feels different. In some cases, the original problem has not fully resolved or a new change has developed. The feel and timing alone cannot distinguish these causes.

Your surgeon may examine the area and compare it with earlier findings. They may arrange imaging or a sample if the change persists, grows, becomes firmer, or does not fit the expected healing pattern.

Contact the surgical or oncology team that treated you and describe when the change began, where it is, whether it is enlarging, and whether pain, redness, warmth, drainage, or fever is present. Keep the wound clean and follow the discharge instructions. Do not squeeze the area, massage it, or apply a new treatment unless your team advises it.

Bring your operation and pathology information to the review. The team can decide whether observation, wound care, drainage, imaging, or another treatment is appropriate.

Seek urgent medical help for rapidly increasing swelling, severe or worsening pain, heavy bleeding, wound separation, spreading redness, pus-like drainage, fever with shivering, breathing difficulty, faintness, or sudden swelling of an arm or leg. These signs can indicate infection, bleeding, or another complication requiring prompt assessment.

Ask what findings are expected during healing, whether the area needs imaging or a sample, how you should monitor its size and symptoms, and which changes should prompt an immediate call.