Blood in sputum of radiotherapy for laryngeal cancer may be a side effect of radiotherapy or bleeding in sputum caused by tumor recurrence. Therefore, whether it is normal or not needs to actively go to hospital for further examination to make accurate judgment.
In the process of radiation therapy, the mucous membrane of larynx is damaged by radiation, which often leads to dryness, erosion, edema and ulceration of mucous membrane, etc. So patients may have blood in sputum. Therefore, patients may happen to have blood in sputum or even cough up blood in small amount.
During radiotherapy, the cancer tumor may continue to grow, which may lead to rupture and bleeding of the tumor, thus showing the phenomenon of blood in sputum, which is a manifestation of disease progression.
When there is blood in sputum during radiotherapy for laryngeal cancer, patients need to go to the hospital in time to complete the relevant examination and be diagnosed by specialists and then treated accordingly.