Patients with lung cancer should eat three meals in time, and no meal can be ignored. Generally speaking, lung cancer patients can have breakfast. However, as a special group of lung cancer patients, some breakfasts are not allowed. Breakfast is the beginning of a day's diet, and it is a very important meal for people, especially lung cancer patients. Breakfast is the first meal after waking up, and it is also the food to wake up the intestines and digestive organs of the human body. Can lung cancer patients eat ham sandwiches and lactic acid drinks for breakfast? The ingredient of ham sandwich is ham or bacon. Although both kinds of food are delicious, they belong to bacon. In order to prevent the growth of food botulinum, nitrate was added to cured meat.