A tumor just refers to an abnormal growth of cells that form a swollen growth. A tumor is not necessarily cancer. It may be benign or malignant.
A neoplasm is the medical term meaning any type of tumor or abnormal growth. A neoplasm may be cancerous or benign.
A poorly-differentiated tumor resembles many different tissues. In contract, it's easy to name the tissue type of a well-differentiated tumor.
Wilms' tumor is a type of malignant tumor
having a peduncle or stalk, like in flowers
Osteomas is a general term for a bony growth on the surface of a bone, but there are many more specific diagnoses depending on the morphology of the tumor. A more specific type of benign tumor on the surface of bone is an osteochondroma, made up of both bone and cartilage. Exostosis is another type of bony growth on bone.
Most cancers are internal and cannot be felt. But, if you can move a tumor that is only a little ways under your skin, it is generally a lipoma or another type of benign tumor. This is a fat tumor and is almost never cancerous. I say almost, because in very rare cases a lipoma can become cancerous from growth. Touching it does not induce this.
Brain Tumor. I am not sure of tumor type
Orzo is a type of pasta that resembles rice.
A rhabdomyoma is a benign tumor of striated muscle. They can be "cardiac" or "extracardiac" . Extracardiac tumor can be: adult type, fetal type, and genital type.
A tumor composed of epithelium is known as an epithelial tumor. These tumors can be benign or malignant and are classified based on the type of epithelial cells involved and their pattern of growth. Histologically, they may resemble the tissue from which they originated, such as adenomas in glandular tissue or squamous cell carcinomas in squamous epithelium.
Not necessarily. A lesion is any abnormality (lesion comes from a Latin word meaning "injury"), whereas a tumor is a specific type of abnormality (a growth).