Can tumors grow back after liver resection?

In general, whether a tumor will regrow after liver resection depends on the preoperative condition of the tumor and postoperative care. If the tumor was at an early stage before surgery, completely removed, and proper postoperative care is maintained, it typically does not recur. However, if the tumor was already in an advanced stage preoperatively, with residual tumor tissue left behind or inadequate postoperative care, recurrence may occur. The detailed analysis is as follows:

If the tumor was at an early stage before surgery and had not metastasized, complete removal of the tumor along with surrounding affected tissues is possible. When patients strictly follow medical advice after surgery—attending regular check-ups, maintaining healthy lifestyle habits, allowing gradual recovery of liver function, and sustaining strong immune system—the risk of tumor recurrence is low, as the body can effectively suppress regrowth of tumor cells.

However, if the tumor was already at an advanced stage before surgery, with local invasion or distant metastasis, complete removal of all cancer cells may not be achievable, leaving residual cells behind. Additionally, if postoperative care is inadequate—for example, if patients frequently stay up late, consume alcohol, or maintain irregular eating habits—this may increase the burden on the liver and lead to weakened immunity. Under these conditions, residual tumor cells may proliferate again, leading to tumor recurrence.

Postoperative care should emphasize dietary regulation: consume more foods rich in protein and vitamins, and avoid high-fat, high-sugar, and spicy or irritating foods. Ensure sufficient sleep and avoid excessive fatigue.