Subscribe
23
Peng Li Bo
Oncology
About me
Loudi Central Hospital, Oncology Department, attending physician, has been engaged in clinical work in oncology for many years, with rich clinical experience in radiotherapy and chemotherapy for oncologic diseases.
Proficient in diseases
Specializes in chemotherapy treatment for common tumor diseases such as lung cancer, arterial aneurysm, gallbladder cancer, bile duct cancer, hyperprolactinemia, and breast fibroadenoma.
Voices
Lymphoma has what manifestations?
The symptoms of lymphoma, simply put, are that some people feel a lump on their neck or in their armpit; it starts as a sudden appearance of a swelling that gets larger over time, sometimes not just one, but multiple lumps clustered together. This is indeed the most common symptom, where one can feel something on their neck, including under the jaw or the chin, noticing suddenly a nodule has formed, whether it's the size of a chicken egg or otherwise. That's one aspect. The second involves systemic symptoms, which primarily include fever, night sweats, and weight loss. These three symptoms are quite common.
Early symptoms of lymphoma
The early symptoms of lymphoma involve the painless enlargement of both superficial and deep lymph nodes, most commonly located in areas such as the neck, armpits, and groin. Of course, lymphoma also presents with systemic symptoms, such as fever, night sweats, weight loss, and skin itching. Since lymphoma commonly occurs in the neck, armpits, and groin, if it develops in other areas, such as the lungs or elsewhere, it may cause respiratory symptoms, including coughing, expectoration, and shortness of breath.
Esophageal cancer T3 belongs to which stage?
For the staging of esophageal cancer, it not only depends on the T stage, but also on the N and M stages. If we are just considering the T stage, it is T3. If there are no N0 and M0 stages, it is relatively early and surgery can be considered. However, if looking only at T3 and the N stage involves lymph node involvement (N1, N2, or N3), with regional or distant lymph node metastasis, then the staging of the esophageal cancer is relatively late. Furthermore, if there is an M stage, which indicates the presence of distant organ metastasis, then it is classified as advanced stage. Therefore, the T stage alone for esophageal cancer does not determine whether it is early, intermediate, or late stage. It is necessary to look in conjunction with the N and M stages to determine the overall staging.
Early symptoms of esophageal cancer
The early symptoms of esophageal cancer are not very typical. In the early stages, there may be discomfort, a sensation of blockage, or burning and pinching feelings during swallowing. There might also be pain behind the breastbone. Other atypical gastrointestinal symptoms can include acid reflux, heartburn, belching, hiccups, and vomiting. However, as esophageal cancer progresses, the most typical symptom becomes difficulty swallowing, obstruction, and the sensation that swallowed items cannot pass down, including severe cases where even drinking water feels obstructed and leads to vomiting.
The difference between esophagitis and esophageal cancer
The differences between esophagitis and esophageal cancer are significant. Esophagitis is an inflammation and is benign, but esophageal cancer is malignant, marking a stark contrast between the two. However, both esophagitis and esophageal cancer can have similar clinical symptoms, such as acid reflux, hiccups, heartburn, pain behind the breastbone, discomfort, and a burning sensation behind the breastbone, so symptoms can be similar. However, a more typical symptom of esophageal cancer is a sensation of swallowing obstruction, since there is actually something in the esophagus. Inflammation, after all, is just that, and it does not involve a mass forming inside the esophagus that could block it, hindering the ability to drink water, eat food, or swallow.
The difference between sarcoma and osteosarcoma
The relationship between sarcoma and osteosarcoma is very simple; it is a relationship of containment where sarcoma includes osteosarcoma. Simply put, the concept of sarcoma is broader, and osteosarcoma is a subtype under it. Sarcoma itself also includes malignant tumors occurring in blood vessels, fat, nerves, and muscles, such as angiosarcoma, liposarcoma, rhabdomyosarcoma, and leiomyosarcoma, and, of course, osteosarcoma. However, both sarcoma and osteosarcoma are malignant tumors, and it's important to clarify this concept. Moreover, osteosarcoma is more common in young people.
What are the precancerous lesions of esophageal cancer?
The most common precancerous lesion of esophageal cancer is Barret's esophagus, which is formed by the chronic stimulation of the esophageal epithelium by chronic reflux esophagitis. Of course, this includes some chronic esophageal ulcers and long-term leukoplakia of the esophagus. These recurrent esophageal ulcers could potentially transform into atypical hyperplasia and then further into carcinoma in situ. However, the progression from precancerous lesions to actual cancer can take a very long time, possibly many years or even over a decade. Therefore, having a precancerous lesion does not necessarily lead to esophageal cancer.
Is chondrosarcoma cancer?
Chondrosarcoma is broadly cancer, but in medical terms, we wouldn’t necessarily phrase it that way; we simply describe chondrosarcoma as a type of malignant tumor, and currently, its treatment outcomes are not very good. Generally, when we talk about cancer, we’re referring to malignant tumors that originate from epithelial tissue, including cancers like stomach cancer, lung cancer, colon cancer, and liver cancer, which all derive from epithelial tissues. However, because chondrosarcoma originates from mesenchymal tissue, which includes muscle, cartilage, blood vessels, and nerves, malignant tumors that occur in these areas are usually called sarcomas. Sarcomas are definitely malignant, but to strictly call them cancer is not particularly precise.
What are the symptoms of esophageal cancer?
The symptoms of esophageal cancer generally include progressive difficulty in swallowing, because the esophagus itself is a tubular cavity, similar to a water pipe. Esophageal cancer typically forms a tumor within this tubular cavity, creating an obstruction. Consequently, the most common symptoms include difficulty swallowing and a sensation of blockage during eating, since food must pass through the esophagus. Other symptoms can include nausea, vomiting, acid reflux, heartburn, and pain below the breastbone. Moreover, the difficulty in swallowing generally worsens progressively, as the tumor grows from small to large, increasingly narrowing the esophagus and exacerbating the swallowing difficulties.
Typical symptoms of esophageal cancer
The most typical symptom of esophageal cancer is progressive difficulty swallowing, and a progressive sensation of swallowing obstruction is the most typical symptom. It's actually quite simple; the esophagus is akin to a water pipe or a tubular cavity. Esophageal cancer is like having a tumor grow inside this cavity, similar to something blocking the pipe, which causes the flow of water to be impeded. However, not only water passes through this esophagus, but also food. Therefore, if there's something inside the cavity, both water and food cannot pass through, leading to this difficulty swallowing and discomfort while swallowing.