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Tumor is also not synonymous with cancer. While cancer is by definition malignant, a tumor can be benign, precancerous, or malignant. [citation needed] The terms mass and nodule are often used synonymously with tumor. Generally speaking, however, the term tumor is used generically, without reference to the physical size of the lesion. [3]
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [2] [7] These contrast with benign tumors, which do not spread. [7]
Lung cancer has the highest mortality rate in comparison to other forms of cancer, with the leading cause of development due to smoking. [27] The number of smokers in China is rapidly increasing with tobacco killing approximately 3000 people each day. [27] The diagnosis of lung cancer is most common within the 50–59-year age bracket. [26]
The college student reflects on her cancer diagnosis in a new ... is always staying positive but always really knowing in your mind if something is wrong.” ... which is a malignant brain tumor ...
The following is a list of cancer types. Cancer is a group of diseases that involve abnormal increases in the number of cells, with the potential to invade or spread to other parts of the body. [1] Not all tumors or lumps are cancerous; benign tumors are not classified as being cancer because they do not spread to other parts of the body. [1]
For example, the colon [22] and bladder cancer [23] staging system relies on depth of invasion, staging of breast carcinoma is more dependent on the size of the tumor, and in renal carcinoma, staging is based on both the size of the tumor and the depth of the tumor invasion into the renal sinus. Carcinoma of the lung has a more complicated ...
The third time it happened, doctors ordered a CT scan and discovered the tumor. Oda had Stage 4 colon cancer that had spread to her liver. ... Oda was always tired and exhausted. She had to nap ...
The word melanoma has a long history of being used in a broader sense to refer to any melanocytic tumor, typically, but not always malignant, [170] [171] but today the narrower sense referring only to malignant types has become so dominant that benign tumors are usually not called melanomas anymore and the word melanoma is now usually taken to ...
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