[3] The evaluation of a skin nodule includes a description of its appearance, its location, how it feels to touch and any associated symptoms which may give clues to an underlying medical condition.

[6] Nodules may form on tendons and muscles in response to injury,[7] and are frequently found on vocal cords.

[3] The evaluation of a skin nodule includes a description of its appearance, its location, how it feels to touch and any associated symptoms which may give clues to an underlying medical condition.

[4] Often discovered unintentionally on a chest x-ray, a single nodule in the lung requires assessment to exclude cancer.

[9] Nodules may form on tendons and muscles in response to injury,[7] and are frequently found on vocal cords,[8] They occur in conditions including endometriosis,[12] neurofibromatosis,[6] and in rheumatoid arthritis.