Final answer:
An exophytic pedunculated lesion refers to a growth that protrudes from a mucosal surface; in the gastrointestinal tract, it could be a benign polyp or a malignant tumor affecting eating. Figure 7.2.4 shows invasive colorectal carcinoma with polyps in the large intestine. The patient's difficulty swallowing may be related to an obstructing lesion or be part of a broader severe health condition.
Step-by-step explanation:
The term exophytic pedunculated lesion typically refers to a growth that projects outward from a surface on a stalk-like projection. When related to gastrointestinal issues, an exophytic pedunculated lesion in the context of the gastrointestinal tract might be a polyp or other tumor that is affecting normal functions such as eating. Such lesions can be benign, like an adenomatous polyp, or malignant, as in the case of colorectal carcinoma.
An opened large intestine specimen containing invasive colorectal carcinoma and two adenomatous polyps was observed in Figure 7.2.4. Carcinoma indicates that the cancer cells have grown uncontrollably, forming a tumor that may obstruct normal gastrointestinal function if it's large enough or located in a critical area that affects swallowing or digestion.
Based on the patient admission note, the patient who was transferred to the surgical ward had symptoms including difficulty swallowing, suggesting that the lesion might be related to these symptoms. However, since the note mentions difficulties extending from the lower right extremity up, it's not clear if the difficulty in swallowing is directly associated with a gastrointestinal lesion or another issue related to the general severe health condition described.