前列腺癌和结肠癌

什么是前列腺癌的症状？
有早期前列腺癌没有任何警示标志。一旦肿瘤引起前列腺膨胀，或者一旦癌细胞扩散超出前列腺，以下症状可能会发生：
一个经常需要小便，尤其是在夜间
难度启动或停止尿液流
弱或中断尿流
大笑或咳嗽时，尿漏
排尿无力站起来
排尿或射精时有疼痛或烧灼感
血尿或精液
标志和结肠癌的症状包括：
在你的排便习惯，包括腹泻或便秘或大便的一致性变化的变化，即超过四个星期持续时间
你的大便便血或血
持续腹部不适，如痉挛，气体或疼痛
你的排便不完全清空的感觉
虚弱或疲劳
不明原因的消瘦


许多人结肠癌在疾病的早期阶段会遇到没有症状。当症状出现时，他们很可能会有所不同，这取决于癌症的在大肠中的大小和位置。
如果您发现结肠癌的症状，如便血或排便习惯改变执着，让与你的医生预约。
跟你的医生，当你应该开始筛查结肠癌。指南通常建议大肠癌筛查开始于50岁你的医生可能会建议更频繁或更早筛查，如果您有其他危险因素，如疾病的家族史。
可能会增加患结肠癌的风险的因素包括：
年龄。绝大多数人确诊为结肠癌比50结肠癌年轻人可能会出现老，但它发生更频繁。
非裔美国人的种族。非裔美国人比其他种族的人患结肠癌的风险更大。
大肠癌或息肉的个人历史。如果您已经有结肠癌或腺瘤性息肉，你有结肠癌在未来更大的风险。
炎性肠道条件。结肠的慢性炎症性疾病，如溃疡性结肠炎和克罗恩病，可以增加结肠癌的风险。
继承综合征会增加结肠癌的风险。通过你的家人代代相传的遗传综合征可以增加你患结肠癌的风险。这些综合征包括家族性腺瘤性息肉病和遗传性非息肉结肠直肠癌，其也被称为Lynch综合征。
结肠癌家族史。你更容易患上结肠癌，如果你有父母，兄弟姐妹或子女的疾病。如果一个以上的家族成员具有结肠癌或直肠癌，您的风险更大。
低纤维，高脂肪的饮食。结肠癌和直肠癌可与饮食低纤维，高脂肪和热量有关。这方面的研究已经有不同的结果。一些研究发现结肠癌在谁吃饮食中红肉和加工肉类的人的风险增加。
久坐的生活方式。如果你不活跃，你更容易患上结肠癌。获取规律的体力活动可以降低患结肠癌的风险。
糖尿病。与糖尿病和胰岛素抵抗的人可能有结肠癌的风险增加。
肥胖。人谁是肥胖有结肠癌的风险增加，当与人认为是正常的体重相比结肠癌死亡的风险增加。
抽烟。谁吸烟的人可能有结肠癌的风险增加。
醇。大量使用酒精可能会增加患结肠癌的风险。
放射治疗的癌症。放射治疗冲着腹部治疗先前的癌症可能增加患结肠癌的风险。 What are the symptoms of prostate cancer?
There are no early warning signs of prostate cancer. Once the tumor causes the prostate swelling, or once cancer spread beyond the prostate, the following symptoms may occur:
A need to urinate frequently, especially at night
Difficulty starting or stopping urine flow
Weak or interrupted urine flow
Laughing or coughing, urine leakage
Inability to urinate standing up
Pain or burning sensation during urination or ejaculation
Urine or semen
Signs and symptoms of colon cancer include:
In your bowel habits, including diarrhea or constipation or a change in stool consistency changes, namely more than four weeks duration
Blood in the stool or blood in your stool
Sustained abdominal discomfort, such as cramps, gas or pain
Your bowel is not completely empty feeling
Weakness or fatigue
Unexplained weight loss


Many colon cancer in the early stages of the disease experience no symptoms. When symptoms occur, they are likely to vary, depending on the size and location of the cancer in the large intestine.
If you notice the symptoms of colon cancer, such as blood in the stool or a persistent change in bowel habits, make an appointment with your doctor.
Talk to your doctor when you should begin screening for colon cancer. Guidelines generally recommend screening for colorectal cancer beginning at age 50 your doctor may recommend more frequent or earlier screening if you have other risk factors such as family history of the disease.
May increase the risk of colon cancer risk factors include:
age. Most people diagnosed with colon cancer than 50 young people may appear as old, but it happens more often.
African-American race. African-Americans are at greater risk of colon cancer than other races of people suffering.
Colorectal cancer or polyps personal history. If you already have colon cancer or adenomatous polyps, you have a greater risk of colon cancer in the future.
Inflammatory bowel condition. Chronic inflammatory diseases of the colon, such as ulcerative colitis and Crohn's disease, can increase the risk of colon cancer.
Inherited syndrome increases the risk of colon cancer. Through your family from generation to generation genetic syndromes can increase your risk of colon cancer. These syndromes include familial adenomatous polyposis and hereditary nonpolyposis colorectal cancer, which is also known as Lynch syndrome.
Family history of colon cancer. You are more likely to develop colon cancer, if you have a parent, sibling or child's illness. If more than one family member has colon cancer or colorectal cancer, your risk is greater.
Low-fiber, high-fat diet. Colon and colorectal cancer with a diet low in fiber, high in fat and calories relevant. Research in this area has different results. Some studies have found an increase in colon cancer who eat a diet of red meat and processed meat's risk.
Sedentary lifestyle. If you are inactive, you are more likely to develop colon cancer. Get regular physical activity can reduce the risk of colon cancer.
diabetes. People with diabetes and insulin resistance may have an increased risk of colon cancer.
obesity. People who are obese have an increased risk of colon cancer, when compared with people considered normal weight compared to colon cancer increased risk of death.
smokes. People who smoke may have an increased risk of colon cancer.
alcohol. Heavy use of alcohol may increase the risk of colon cancer.
Radiation therapy of cancer. Radiation therapy directed at the abdomen previous treatment for cancer may increase the risk of colon cancer.