This is also called dysphagia, and it is a dysfunction of your esophagus to pass food to the stomach. Such dysfunction may be caused by the pressure by the tumour, and even the therapeutic options used to eradicate lung cancer.
Patients with lung cancer who have difficulty swallowing should be cautious because it will increase their risk of inhaling food particles or liquids into the lungs. This can be a lethal complication and should be attended immediately in the emergency room.
Patients with dysphagia often suffer from dehydration because they avoid swallowing and stop taking liquids regularly. In some severe cases of lung cancer, this can lead to kidney problems and malnutrition.